diff --git a/src/Mod/Assembly/App/AssemblyObject.cpp b/src/Mod/Assembly/App/AssemblyObject.cpp
index 859859cecf..4cd4c1fec6 100644
--- a/src/Mod/Assembly/App/AssemblyObject.cpp
+++ b/src/Mod/Assembly/App/AssemblyObject.cpp
@@ -139,7 +139,10 @@ App::DocumentObjectExecReturn* AssemblyObject::execute()
 
 void AssemblyObject::onChanged(const App::Property* prop)
 {
-    if (prop == &Group) {
+    if (prop == &Group
+        && !isRestoring()
+        && getDocument()
+        && !getDocument()->isPerformingTransaction()) {
         updateSolveStatus();
     }
     App::Part::onChanged(prop);