diff --git a/openpype/hosts/maya/plugins/load/load_arnold_standin.py b/openpype/hosts/maya/plugins/load/load_arnold_standin.py
index 9016359c2f..f45a070c85 100644
--- a/openpype/hosts/maya/plugins/load/load_arnold_standin.py
+++ b/openpype/hosts/maya/plugins/load/load_arnold_standin.py
@@ -24,6 +24,10 @@ def is_sequence(files):
 
 
 def post_process():
+    """
+    Make sure mtoa script finished loading
+    before the loader doing any action
+    """
     import maya.utils
     from qtpy import QtWidgets