diff --git a/blender_cloud/attract/__init__.py b/blender_cloud/attract/__init__.py
index 21537ed..d134fc0 100644
--- a/blender_cloud/attract/__init__.py
+++ b/blender_cloud/attract/__init__.py
@@ -147,6 +147,7 @@ def compute_strip_conflicts(scene):
     return ids_in_use
 
 
+@bpy.app.handlers.persistent
 def scene_update_post_handler(scene):
     compute_strip_conflicts(scene)