diff --git a/NzbDrone.Core/Indexers/IndexerFactory.cs b/NzbDrone.Core/Indexers/IndexerFactory.cs
index a8796fc28..b89f0d539 100644
--- a/NzbDrone.Core/Indexers/IndexerFactory.cs
+++ b/NzbDrone.Core/Indexers/IndexerFactory.cs
@@ -24,7 +24,8 @@ public IndexerFactory(IIndexerRepository providerRepository, IEnumerable<IIndexe
 
         protected override void InitializeProviders()
         {
-            var definitions = _providers.SelectMany(indexer => indexer.DefaultDefinitions);
+            var definitions = _providers.Where(c => c.Protocol == DownloadProtocol.Usenet)
+                .SelectMany(indexer => indexer.DefaultDefinitions);
 
             var currentProviders = All();