From 28bf6a66ac7287bb27791a66407ef99d201f84e9 Mon Sep 17 00:00:00 2001
From: Richard Heck <rgheck@comcast.net>
Date: Wed, 13 Oct 2010 12:43:13 +0000
Subject: [PATCH] Fix #6948.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35624 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/frontends/qt4/GuiDocument.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/frontends/qt4/GuiDocument.cpp b/src/frontends/qt4/GuiDocument.cpp
index 026e8acc03..db908944e2 100644
--- a/src/frontends/qt4/GuiDocument.cpp
+++ b/src/frontends/qt4/GuiDocument.cpp
@@ -2786,7 +2786,7 @@ void GuiDocument::paramsToDialog()
 	}
 
 	// Master/Child
-	if (!buffer().hasChildren()) {
+	if (!bufferview() || !buffer().hasChildren()) {
 		masterChildModule->childrenTW->clear();
 		includeonlys_.clear();
 		docPS->showPanel(qt_("Child Documents"), false);