diff --git a/openpype/hosts/max/api/pipeline.py b/openpype/hosts/max/api/pipeline.py
index 50fe30b299..ac841d395f 100644
--- a/openpype/hosts/max/api/pipeline.py
+++ b/openpype/hosts/max/api/pipeline.py
@@ -56,6 +56,9 @@ class MaxHost(HostBase, IWorkfileHost, ILoadHost, INewPublisher):
         rt.callbacks.addScript(rt.Name('systemPostNew'),
                                context_setting)
 
+        rt.callbacks.addScript(rt.Name('filePostOpen'),
+                               context_setting)
+
     def has_unsaved_changes(self):
         # TODO: how to get it from 3dsmax?
         return True