diff --git a/src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs b/src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs
index 49cc0c734a..b23653490d 100755
--- a/src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs
+++ b/src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs
@@ -390,7 +390,7 @@ namespace NzbDrone.Core.Notifications.CustomScript
         {
             if (movie == null)
             {
-                return null;
+                return new List<string>();
             }
 
             return _tagRepository.GetTags(movie.Tags)