diff --git a/src/Mod/Part/Gui/ViewProvider.cpp b/src/Mod/Part/Gui/ViewProvider.cpp
index f44a7fe282..1ac52f0ffb 100644
--- a/src/Mod/Part/Gui/ViewProvider.cpp
+++ b/src/Mod/Part/Gui/ViewProvider.cpp
@@ -20,9 +20,12 @@
  *                                                                         *
  ***************************************************************************/
 
-
 #include "PreCompiled.h"
 
+#ifndef _PreComp_
+# include <QObject>
+#endif
+
 #include <App/Document.h>
 #include <Base/Console.h>
 #include <Base/Exception.h>