diff --git a/Code/Common/mvdGLImageWidget.h b/Code/Common/mvdGLImageWidget.h
index 04dadbfda3c28bbea35f5d4f76a89388a9467c1d..3f4c1b85b80cbe3a53e1e2dc1aa6eb4af134a772 100644
--- a/Code/Common/mvdGLImageWidget.h
+++ b/Code/Common/mvdGLImageWidget.h
@@ -197,15 +197,14 @@ GLImageWidget
   //
   // REFRESH DISPLAY.
 
-#if 0
   // set the largest possible region of the image
   // TODO:  rename signal name when handling DataSets collections
   // TODO: move signal into mvdApplication and link it to DockWidget
   // and ImageView.
-  emit ModelImageRegionChanged(
-    model->GetNativeLargestRegion()
-  );
-#endif
+  if( model!=NULL )
+    emit ModelImageRegionChanged(
+      model->GetNativeLargestRegion()
+    );
 }
 
 }