diff --git a/development/scons/scons_manifest.py b/development/scons/scons_manifest.py
index 7663f90374..d51e08c390 100644
--- a/development/scons/scons_manifest.py
+++ b/development/scons/scons_manifest.py
@@ -2248,8 +2248,8 @@ lib_tex_files = Split('''
 lib_ui_files = Split('''
     classic.ui
     default.ui
-    stdmenus.ui
-    stdtoolbars.ui
+    stdmenus.inc
+    stdtoolbars.inc
 ''')
 
 
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 94761e53be..d0dd27b2f8 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -972,8 +972,8 @@ uidir = $(pkgdatadir)/ui
 dist_ui_DATA = \
 	ui/classic.ui \
 	ui/default.ui \
-	ui/stdmenus.ui \
-	ui/stdtoolbars.ui
+	ui/stdmenus.inc \
+	ui/stdtoolbars.inc
 
 install-data-hook:
 	$(CHMOD) 755 $(DESTDIR)$(pkgdatadir)/configure.py
diff --git a/lib/doc/de_Customization.lyx b/lib/doc/de_Customization.lyx
index e10eb66f60..3001d2f5d0 100644
--- a/lib/doc/de_Customization.lyx
+++ b/lib/doc/de_Customization.lyx
@@ -2299,11 +2299,11 @@ classic.ui
  erzeugt das Aussehen der 1.3.x-Versionen von LyX.
  
 \family typewriter
-stdmenus.ui
+stdmenus.inc
 \family default
  beschreibt das Aussehen der Menüleisten und 
 \family typewriter
-stdtoolbars.ui
+stdtoolbars.inc
 \family default
  das Aussehen der Werkzeugleisten.
  Auch hier ist es derzeit noch nötig, LyX neu zu starten, um Änderungen
@@ -2394,11 +2394,11 @@ default.ui
 .
  Sie benutzt 
 \family typewriter
-stdtoolbars.ui
+stdtoolbars.inc
 \family default
  und 
 \family typewriter
-stdmenus.ui
+stdmenus.inc
 \family default
  und definiert folgende Werkzeugleisten:
 \end_layout
diff --git a/lib/ui/classic.ui b/lib/ui/classic.ui
index 482bbfc993..badecdf2cd 100644
--- a/lib/ui/classic.ui
+++ b/lib/ui/classic.ui
@@ -430,7 +430,7 @@ End
 
 # Which toolbars to use.
 
-include "stdtoolbars.ui"
+include "stdtoolbars.inc"
 
 # The second parameter are the flags :
 #
diff --git a/lib/ui/default.ui b/lib/ui/default.ui
index 05ab58ca20..9ce1952f34 100644
--- a/lib/ui/default.ui
+++ b/lib/ui/default.ui
@@ -14,9 +14,9 @@
 # The interface is designed (partially) following the KDE Human Interface
 # Guidelines (http://usability.kde.org/hig/)
 
-Include "stdmenus.ui"
+Include "stdmenus.inc"
 
-Include "stdtoolbars.ui"
+Include "stdtoolbars.inc"
 
 # Which toolbars to use.
 #
diff --git a/lib/ui/stdmenus.ui b/lib/ui/stdmenus.inc
similarity index 99%
rename from lib/ui/stdmenus.ui
rename to lib/ui/stdmenus.inc
index f6d4e1fa64..300afaf55a 100644
--- a/lib/ui/stdmenus.ui
+++ b/lib/ui/stdmenus.inc
@@ -1,6 +1,6 @@
 # -*- text -*-
 
-# file stdmenus.ui
+# file stdmenus.inc
 # This file is part of LyX, the document processor.
 # Licence details can be found in the file COPYING.
 
diff --git a/lib/ui/stdtoolbars.ui b/lib/ui/stdtoolbars.inc
similarity index 99%
rename from lib/ui/stdtoolbars.ui
rename to lib/ui/stdtoolbars.inc
index 973e05fa9c..3eaeae00bb 100644
--- a/lib/ui/stdtoolbars.ui
+++ b/lib/ui/stdtoolbars.inc
@@ -1,6 +1,6 @@
 # -*- text -*-
 
-# file stdtoolbars.ui
+# file stdtoolbars.inc
 # This file is part of LyX, the document processor.
 # Licence details can be found in the file COPYING.