diff --git a/src/Mod/Assembly/App/AssemblyObject.cpp b/src/Mod/Assembly/App/AssemblyObject.cpp
index 95e49d6c6f..ca480c88a5 100644
--- a/src/Mod/Assembly/App/AssemblyObject.cpp
+++ b/src/Mod/Assembly/App/AssemblyObject.cpp
@@ -139,6 +139,11 @@ App::DocumentObjectExecReturn* AssemblyObject::execute()
 
 void AssemblyObject::onChanged(const App::Property* prop)
 {
+    if (App::GetApplication().isRestoring()) {
+        App::Part::onChanged(prop);
+        return;
+    }
+
     if (prop == &Group) {
         updateSolveStatus();
     }