diff --git a/samples/mfc/standard/Common/OCC_App.cpp b/samples/mfc/standard/Common/OCC_App.cpp
index 4809291f68..653459aea0 100644
--- a/samples/mfc/standard/Common/OCC_App.cpp
+++ b/samples/mfc/standard/Common/OCC_App.cpp
@@ -35,7 +35,7 @@ END_MESSAGE_MAP()
 
 BOOL OCC_App::InitApplication()
 {
-  OSD::SetSignal (Standard_True);
+  OSD::SetSignal (false);
   SampleName = "";
   SetSamplePath (NULL);
   try