diff --git a/Jellyfin.Plugin.MetaTube/Providers/MovieProvider.cs b/Jellyfin.Plugin.MetaTube/Providers/MovieProvider.cs
index f4e6740..bf9c0c5 100644
--- a/Jellyfin.Plugin.MetaTube/Providers/MovieProvider.cs
+++ b/Jellyfin.Plugin.MetaTube/Providers/MovieProvider.cs
@@ -201,8 +201,8 @@ public class MovieProvider : BaseProvider, IRemoteMetadataProvider<Movie, MovieI
 
         if (Configuration.EnableMovieProviderFilter)
         {
-            var filter = Configuration.GetMovieProviderFilter();
-            if (filter.Any()) // Apply only if filter is not empty.
+            if (Configuration.GetMovieProviderFilter() is { } filter &&
+                filter.Any()) // Apply only if filter is not empty.
             {
                 // Filter out mismatched results.
                 searchResults.RemoveAll(m => !filter.Contains(m.Provider, StringComparer.OrdinalIgnoreCase));
@@ -210,6 +210,10 @@ public class MovieProvider : BaseProvider, IRemoteMetadataProvider<Movie, MovieI
                 searchResults = searchResults.OrderBy(
                     m => filter.FindIndex(s => s.Equals(m.Provider, StringComparison.OrdinalIgnoreCase))).ToList();
             }
+            else
+            {
+                Logger.Warn("Movie provider filter enabled but never used");
+            }
         }
 
         foreach (var m in searchResults)