diff --git a/src/NzbDrone.Core/IndexerSearch/Definitions/TvSearchCriteria.cs b/src/NzbDrone.Core/IndexerSearch/Definitions/TvSearchCriteria.cs
index 069a26b8c..43359fd25 100644
--- a/src/NzbDrone.Core/IndexerSearch/Definitions/TvSearchCriteria.cs
+++ b/src/NzbDrone.Core/IndexerSearch/Definitions/TvSearchCriteria.cs
@@ -34,7 +34,7 @@ namespace NzbDrone.Core.IndexerSearch.Definitions
 
         private string GetEpisodeSearchString()
         {
-            if (Season == 0)
+            if (Season == null || Season == 0)
             {
                 return string.Empty;
             }