diff --git a/src/App/private/DocumentP.h b/src/App/private/DocumentP.h
index a85d90af50..d6c2ac107e 100644
--- a/src/App/private/DocumentP.h
+++ b/src/App/private/DocumentP.h
@@ -23,6 +23,10 @@
 #ifndef APP_DOCUMENTP_H
 #define APP_DOCUMENTP_H
 
+#ifdef _MSC_VER
+#pragma warning( disable : 4834 )
+#endif
+
 #include <App/DocumentObject.h>
 #include <App/DocumentObserver.h>
 #include <App/StringHasher.h>