diff --git a/src/App/GeoFeatureGroupExtension.h b/src/App/GeoFeatureGroupExtension.h
index bc76371524..901b34bcfd 100644
--- a/src/App/GeoFeatureGroupExtension.h
+++ b/src/App/GeoFeatureGroupExtension.h
@@ -73,7 +73,8 @@ public:
 
     /// Returns true if the given DocumentObject is DocumentObjectGroup but not GeoFeatureGroup
     static bool isNonGeoGroup(const DocumentObject* obj) {
-        return obj->hasExtension(GroupExtension::getExtensionClassTypeId());
+        return obj->hasExtension(GroupExtension::getExtensionClassTypeId()) & 
+               !obj->hasExtension(GeoFeatureGroupExtension::getExtensionClassTypeId());
     }
 };