diff --git a/src/frontends/qt4/FindAndReplace.cpp b/src/frontends/qt4/FindAndReplace.cpp
index ca5e23f27d..a3c6f833ab 100644
--- a/src/frontends/qt4/FindAndReplace.cpp
+++ b/src/frontends/qt4/FindAndReplace.cpp
@@ -167,6 +167,8 @@ void FindAndReplaceWidget::findAndReplace(
 		scope = FindAndReplaceOptions::S_BUFFER;
 	else if (MasterDocument->isChecked())
 		scope = FindAndReplaceOptions::S_DOCUMENT;
+	else if (OpenDocuments->isChecked())
+		scope = FindAndReplaceOptions::S_OPEN_BUFFERS;
 	else
 		LASSERT(false, /**/);
 	LYXERR(Debug::FIND, "FindAndReplaceOptions: "
diff --git a/src/frontends/qt4/ui/FindAndReplaceUi.ui b/src/frontends/qt4/ui/FindAndReplaceUi.ui
index fa19147d9d..3a2cf46da9 100644
--- a/src/frontends/qt4/ui/FindAndReplaceUi.ui
+++ b/src/frontends/qt4/ui/FindAndReplaceUi.ui
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
  <class>FindAndReplaceUi</class>
  <widget class="QWidget" name="FindAndReplaceUi">
@@ -5,14 +6,12 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>325</width>
+    <width>327</width>
     <height>523</height>
    </rect>
   </property>
   <property name="sizePolicy">
-   <sizepolicy>
-    <hsizetype>1</hsizetype>
-    <vsizetype>7</vsizetype>
+   <sizepolicy hsizetype="Minimum" vsizetype="Expanding">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
@@ -52,17 +51,15 @@
        <rect>
         <x>0</x>
         <y>0</y>
-        <width>303</width>
-        <height>501</height>
+        <width>307</width>
+        <height>503</height>
        </rect>
       </property>
       <layout class="QGridLayout" name="gridLayout">
        <item row="0" column="0">
         <widget class="QTabWidget" name="tabWidget">
          <property name="sizePolicy">
-          <sizepolicy>
-           <hsizetype>7</hsizetype>
-           <vsizetype>7</vsizetype>
+          <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
            <horstretch>0</horstretch>
            <verstretch>0</verstretch>
           </sizepolicy>
@@ -81,9 +78,7 @@
          </property>
          <widget class="QWidget" name="tab_3">
           <property name="sizePolicy">
-           <sizepolicy>
-            <hsizetype>5</hsizetype>
-            <vsizetype>7</vsizetype>
+           <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
             <horstretch>0</horstretch>
             <verstretch>0</verstretch>
            </sizepolicy>
@@ -101,9 +96,7 @@
            <item row="2" column="0">
             <widget class="QFrame" name="replace_frame">
              <property name="sizePolicy">
-              <sizepolicy>
-               <hsizetype>7</hsizetype>
-               <vsizetype>7</vsizetype>
+              <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
                <horstretch>0</horstretch>
                <verstretch>0</verstretch>
               </sizepolicy>
@@ -127,9 +120,7 @@
               <item row="1" column="0">
                <widget class="QGroupBox" name="groupBox_3">
                 <property name="sizePolicy">
-                 <sizepolicy>
-                  <hsizetype>7</hsizetype>
-                  <vsizetype>7</vsizetype>
+                 <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
                   <horstretch>0</horstretch>
                   <verstretch>0</verstretch>
                  </sizepolicy>
@@ -181,14 +172,12 @@
                      <rect>
                       <x>0</x>
                       <y>0</y>
-                      <width>237</width>
-                      <height>84</height>
+                      <width>239</width>
+                      <height>79</height>
                      </rect>
                     </property>
                     <property name="sizePolicy">
-                     <sizepolicy>
-                      <hsizetype>7</hsizetype>
-                      <vsizetype>7</vsizetype>
+                     <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
                       <horstretch>0</horstretch>
                       <verstretch>0</verstretch>
                      </sizepolicy>
@@ -202,9 +191,7 @@
                     <bool>true</bool>
                    </property>
                    <property name="sizePolicy">
-                    <sizepolicy>
-                     <hsizetype>7</hsizetype>
-                     <vsizetype>1</vsizetype>
+                    <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                      <horstretch>1</horstretch>
                      <verstretch>0</verstretch>
                     </sizepolicy>
@@ -223,9 +210,7 @@
                     <bool>true</bool>
                    </property>
                    <property name="sizePolicy">
-                    <sizepolicy>
-                     <hsizetype>7</hsizetype>
-                     <vsizetype>1</vsizetype>
+                    <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                      <horstretch>1</horstretch>
                      <verstretch>0</verstretch>
                     </sizepolicy>
@@ -244,9 +229,7 @@
                     <bool>false</bool>
                    </property>
                    <property name="sizePolicy">
-                    <sizepolicy>
-                     <hsizetype>7</hsizetype>
-                     <vsizetype>1</vsizetype>
+                    <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                      <horstretch>0</horstretch>
                      <verstretch>0</verstretch>
                     </sizepolicy>
@@ -259,9 +242,7 @@
                  <item row="1" column="0" colspan="2">
                   <widget class="QCheckBox" name="keepCaseCB">
                    <property name="sizePolicy">
-                    <sizepolicy>
-                     <hsizetype>7</hsizetype>
-                     <vsizetype>1</vsizetype>
+                    <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                      <horstretch>1</horstretch>
                      <verstretch>0</verstretch>
                     </sizepolicy>
@@ -277,9 +258,7 @@
                  <item row="3" column="1">
                   <widget class="QPushButton" name="closePB">
                    <property name="sizePolicy">
-                    <sizepolicy>
-                     <hsizetype>7</hsizetype>
-                     <vsizetype>1</vsizetype>
+                    <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                      <horstretch>1</horstretch>
                      <verstretch>0</verstretch>
                     </sizepolicy>
@@ -301,9 +280,7 @@
            <item row="0" column="0">
             <widget class="QFrame" name="find_frame">
              <property name="sizePolicy">
-              <sizepolicy>
-               <hsizetype>7</hsizetype>
-               <vsizetype>7</vsizetype>
+              <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
                <horstretch>0</horstretch>
                <verstretch>0</verstretch>
               </sizepolicy>
@@ -321,9 +298,7 @@
               <item row="0" column="0">
                <widget class="QGroupBox" name="groupBox">
                 <property name="sizePolicy">
-                 <sizepolicy>
-                  <hsizetype>7</hsizetype>
-                  <vsizetype>7</vsizetype>
+                 <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
                   <horstretch>0</horstretch>
                   <verstretch>0</verstretch>
                  </sizepolicy>
@@ -381,14 +356,12 @@
                      <rect>
                       <x>0</x>
                       <y>0</y>
-                      <width>237</width>
-                      <height>85</height>
+                      <width>239</width>
+                      <height>80</height>
                      </rect>
                     </property>
                     <property name="sizePolicy">
-                     <sizepolicy>
-                      <hsizetype>7</hsizetype>
-                      <vsizetype>7</vsizetype>
+                     <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
                       <horstretch>0</horstretch>
                       <verstretch>0</verstretch>
                      </sizepolicy>
@@ -399,9 +372,7 @@
                  <item row="1" column="0">
                   <widget class="QCheckBox" name="caseCB">
                    <property name="sizePolicy">
-                    <sizepolicy>
-                     <hsizetype>7</hsizetype>
-                     <vsizetype>1</vsizetype>
+                    <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                      <horstretch>0</horstretch>
                      <verstretch>0</verstretch>
                     </sizepolicy>
@@ -420,9 +391,7 @@
                     <bool>true</bool>
                    </property>
                    <property name="sizePolicy">
-                    <sizepolicy>
-                     <hsizetype>7</hsizetype>
-                     <vsizetype>1</vsizetype>
+                    <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                      <horstretch>0</horstretch>
                      <verstretch>0</verstretch>
                     </sizepolicy>
@@ -468,9 +437,7 @@
                     <bool>true</bool>
                    </property>
                    <property name="sizePolicy">
-                    <sizepolicy>
-                     <hsizetype>7</hsizetype>
-                     <vsizetype>1</vsizetype>
+                    <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                      <horstretch>0</horstretch>
                      <verstretch>0</verstretch>
                     </sizepolicy>
@@ -492,9 +459,7 @@
                     <bool>true</bool>
                    </property>
                    <property name="sizePolicy">
-                    <sizepolicy>
-                     <hsizetype>7</hsizetype>
-                     <vsizetype>1</vsizetype>
+                    <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                      <horstretch>0</horstretch>
                      <verstretch>0</verstretch>
                     </sizepolicy>
@@ -516,9 +481,7 @@
                     <bool>false</bool>
                    </property>
                    <property name="sizePolicy">
-                    <sizepolicy>
-                     <hsizetype>7</hsizetype>
-                     <vsizetype>1</vsizetype>
+                    <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                      <horstretch>0</horstretch>
                      <verstretch>0</verstretch>
                     </sizepolicy>
@@ -541,9 +504,7 @@
          </widget>
          <widget class="QWidget" name="tab_4">
           <property name="sizePolicy">
-           <sizepolicy>
-            <hsizetype>7</hsizetype>
-            <vsizetype>7</vsizetype>
+           <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
             <horstretch>0</horstretch>
             <verstretch>0</verstretch>
            </sizepolicy>
@@ -569,9 +530,7 @@
                 <bool>true</bool>
                </property>
                <property name="sizePolicy">
-                <sizepolicy>
-                 <hsizetype>7</hsizetype>
-                 <vsizetype>1</vsizetype>
+                <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                  <horstretch>0</horstretch>
                  <verstretch>0</verstretch>
                 </sizepolicy>
@@ -607,9 +566,7 @@
                    <bool>false</bool>
                   </property>
                   <property name="sizePolicy">
-                   <sizepolicy>
-                    <hsizetype>1</hsizetype>
-                    <vsizetype>1</vsizetype>
+                   <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
                     <horstretch>0</horstretch>
                     <verstretch>0</verstretch>
                    </sizepolicy>
@@ -631,9 +588,7 @@
                    <bool>true</bool>
                   </property>
                   <property name="sizePolicy">
-                   <sizepolicy>
-                    <hsizetype>1</hsizetype>
-                    <vsizetype>1</vsizetype>
+                   <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
                     <horstretch>0</horstretch>
                     <verstretch>0</verstretch>
                    </sizepolicy>
@@ -655,9 +610,7 @@
                    <bool>true</bool>
                   </property>
                   <property name="sizePolicy">
-                   <sizepolicy>
-                    <hsizetype>1</hsizetype>
-                    <vsizetype>1</vsizetype>
+                   <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
                     <horstretch>0</horstretch>
                     <verstretch>0</verstretch>
                    </sizepolicy>
@@ -673,12 +626,10 @@
                 <item row="3" column="0">
                  <widget class="QRadioButton" name="OpenDocuments">
                   <property name="enabled">
-                   <bool>false</bool>
+                   <bool>true</bool>
                   </property>
                   <property name="sizePolicy">
-                   <sizepolicy>
-                    <hsizetype>1</hsizetype>
-                    <vsizetype>1</vsizetype>
+                   <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
                     <horstretch>0</horstretch>
                     <verstretch>0</verstretch>
                    </sizepolicy>
@@ -697,9 +648,7 @@
                    <bool>false</bool>
                   </property>
                   <property name="sizePolicy">
-                   <sizepolicy>
-                    <hsizetype>1</hsizetype>
-                    <vsizetype>1</vsizetype>
+                   <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
                     <horstretch>0</horstretch>
                     <verstretch>0</verstretch>
                    </sizepolicy>
@@ -718,9 +667,7 @@
                 <bool>false</bool>
                </property>
                <property name="sizePolicy">
-                <sizepolicy>
-                 <hsizetype>7</hsizetype>
-                 <vsizetype>1</vsizetype>
+                <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                  <horstretch>0</horstretch>
                  <verstretch>0</verstretch>
                 </sizepolicy>
@@ -736,9 +683,7 @@
                 <bool>true</bool>
                </property>
                <property name="sizePolicy">
-                <sizepolicy>
-                 <hsizetype>7</hsizetype>
-                 <vsizetype>1</vsizetype>
+                <sizepolicy hsizetype="Expanding" vsizetype="Minimum">
                  <horstretch>0</horstretch>
                  <verstretch>0</verstretch>
                 </sizepolicy>
diff --git a/src/lyxfind.cpp b/src/lyxfind.cpp
index e5bf8b609b..bb4518031a 100644
--- a/src/lyxfind.cpp
+++ b/src/lyxfind.cpp
@@ -17,6 +17,7 @@
 #include "lyxfind.h"
 
 #include "Buffer.h"
+#include "BufferList.h"
 #include "buffer_funcs.h"
 #include "BufferParams.h"
 #include "BufferView.h"
@@ -1005,6 +1006,42 @@ bool prev_document_buffer(Buffer * & p_buf) {
 }
 
 
+/** Switch p_buf to point to next open buffer.
+ **
+ ** Return true if restarted from first open buffer.
+ **/
+bool next_open_buffer(Buffer * & p_buf) {
+	BufferList::const_iterator it = find(theBufferList().begin(), theBufferList().end(), p_buf);
+	LASSERT(it != theBufferList().end(), /**/)
+	++it;
+	if (it == theBufferList().end()) {
+		p_buf = *theBufferList().begin();
+		return true;
+	}
+	p_buf = *it;
+	return false;
+}
+
+
+/** Switch p_buf to point to previous open buffer.
+ **
+ ** Return true if restarted from last open buffer.
+ **/
+bool prev_open_buffer(Buffer * & p_buf) {
+	BufferList::const_iterator it = find(theBufferList().begin(), theBufferList().end(), p_buf);
+	LASSERT(it != theBufferList().end(), /**/)
+	if (it == theBufferList().begin()) {
+		it = theBufferList().end();
+		--it;
+		p_buf = *it;
+		return true;
+	}
+	--it;
+	p_buf = *it;
+	return false;
+}
+
+
 /// Finds forward
 int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
 {
@@ -1029,6 +1066,8 @@ int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
 			prompt = true;
 		} else if (match.opt.scope == FindAndReplaceOptions::S_DOCUMENT) {
 			prompt = next_document_buffer(match.p_buf);
+		} else if (match.opt.scope == FindAndReplaceOptions::S_OPEN_BUFFERS) {
+			prompt = next_open_buffer(match.p_buf);
 		} else {
 			/* Unimplemented scope */
 			LASSERT(false, /**/);
@@ -1049,6 +1088,7 @@ int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
 	return 0;
 }
 
+
 /// Find the most backward consecutive match within same paragraph while searching backwards.
 void findMostBackwards(DocIterator & cur, MatchStringAdv const & match, int & len) {
 	DocIterator cur_begin = doc_iterator_begin(cur.buffer());
@@ -1141,6 +1181,8 @@ int findBackwardsAdv(DocIterator & cur, MatchStringAdv & match) {
 			prompt = true;
 		} else if (match.opt.scope == FindAndReplaceOptions::S_DOCUMENT) {
 			prompt = prev_document_buffer(match.p_buf);
+		} else if (match.opt.scope == FindAndReplaceOptions::S_OPEN_BUFFERS) {
+			prompt = prev_open_buffer(match.p_buf);
 		} else {
 			/* Unimplemented scope */
 			LASSERT(false, /**/);