diff --git a/src/NzbDrone.Core/Blocklisting/BlocklistService.cs b/src/NzbDrone.Core/Blocklisting/BlocklistService.cs
index b8119569f..93203cc81 100644
--- a/src/NzbDrone.Core/Blocklisting/BlocklistService.cs
+++ b/src/NzbDrone.Core/Blocklisting/BlocklistService.cs
@@ -122,7 +122,7 @@ namespace NzbDrone.Core.Blocklisting
         {
             if (release.InfoHash.IsNotNullOrWhiteSpace())
             {
-                return release.InfoHash.Equals(item.TorrentInfoHash);
+                return release.InfoHash.Equals(item.TorrentInfoHash, StringComparison.InvariantCultureIgnoreCase);
             }
 
             return HasSameIndexer(item, release.Indexer);