From 1f2a4b4cdbff322265b1893d8a54df139690b0ef Mon Sep 17 00:00:00 2001
From: vsr <vsr@opencascade.com>
Date: Wed, 27 Sep 2017 16:40:19 +0300
Subject: [PATCH] Fix crash when implicitly activate "light" module

---
 src/LightApp/LightApp_DataModel.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/LightApp/LightApp_DataModel.cxx b/src/LightApp/LightApp_DataModel.cxx
index ccef46ec0..88a29bdb1 100644
--- a/src/LightApp/LightApp_DataModel.cxx
+++ b/src/LightApp/LightApp_DataModel.cxx
@@ -110,7 +110,7 @@ void LightApp_DataModel::build()
 void LightApp_DataModel::updateWidgets()
 {
   LightApp_Application* app = dynamic_cast<LightApp_Application*>( module()->application() );
-  if ( app )
+  if ( app && app->objectBrowser() )
     app->objectBrowser()->updateTree( 0, false );
 }
 
-- 
2.39.2