diff --git a/openpype/hosts/maya/tools/mayalookassigner/app.py b/openpype/hosts/maya/tools/mayalookassigner/app.py
index 2a8775fff6..4619c80913 100644
--- a/openpype/hosts/maya/tools/mayalookassigner/app.py
+++ b/openpype/hosts/maya/tools/mayalookassigner/app.py
@@ -263,14 +263,14 @@ class MayaLookAssignerWindow(QtWidgets.QWidget):
                 for standin in arnold_standins:
                     if standin in nodes:
                         arnold_standin.assign_look(standin, subset_name)
+                        
+                nodes = list(set(item["nodes"]).difference(arnold_standins))
             else:
                 self.echo(
                     "Could not assign to aiStandIn because mtoa plugin is not "
                     "loaded."
                 )
 
-            nodes = list(set(item["nodes"]).difference(arnold_standins))
-
             # Assign look
             if nodes:
                 assign_look_by_version(nodes, version_id=version["_id"])