diff --git a/src/NzbDrone.Core/ImportLists/ImportListBase.cs b/src/NzbDrone.Core/ImportLists/ImportListBase.cs
index 54a888fe1..e47e9972d 100644
--- a/src/NzbDrone.Core/ImportLists/ImportListBase.cs
+++ b/src/NzbDrone.Core/ImportLists/ImportListBase.cs
@@ -64,7 +64,7 @@ namespace NzbDrone.Core.ImportLists
 
         protected virtual IList<ImportListItemInfo> CleanupListItems(IEnumerable<ImportListItemInfo> releases)
         {
-            var result = releases.DistinctBy(r => new { r.Title, r.TvdbId }).ToList();
+            var result = releases.DistinctBy(r => new { r.Title, r.TvdbId, r.ImdbId }).ToList();
 
             result.ForEach(c =>
             {