diff --git a/src/NzbDrone.Core/Download/DownloadService.cs b/src/NzbDrone.Core/Download/DownloadService.cs
index 6c6f67f0a..ccb590518 100644
--- a/src/NzbDrone.Core/Download/DownloadService.cs
+++ b/src/NzbDrone.Core/Download/DownloadService.cs
@@ -155,7 +155,9 @@ namespace NzbDrone.Core.Download
                 throw;
             }
 
+            _logger.Trace("Downloaded {0} bytes from {1}", downloadedBytes.Length, link);
             _eventAggregator.PublishEvent(new IndexerDownloadEvent(indexerId, success, source, host, title, url.AbsoluteUri));
+
             return downloadedBytes;
         }
 
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/Cardigann.cs b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/Cardigann.cs
index f86724a03..69540cf3e 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Cardigann/Cardigann.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Cardigann/Cardigann.cs
@@ -189,6 +189,7 @@ namespace NzbDrone.Core.Indexers.Cardigann
             if (request.Url.Scheme == "magnet")
             {
                 ValidateMagnet(request.Url.FullUri);
+
                 return Encoding.UTF8.GetBytes(request.Url.FullUri);
             }
 
@@ -233,6 +234,8 @@ namespace NzbDrone.Core.Indexers.Cardigann
                 throw;
             }
 
+            ValidateTorrent(downloadBytes);
+
             return downloadBytes;
         }
 
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Orpheus.cs b/src/NzbDrone.Core/Indexers/Definitions/Orpheus.cs
index 43927d995..fc69df97c 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Orpheus.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Orpheus.cs
@@ -112,6 +112,8 @@ namespace NzbDrone.Core.Indexers.Definitions
                 _logger.Error("Download failed");
             }
 
+            ValidateTorrent(downloadBytes);
+
             return downloadBytes;
         }
     }
diff --git a/src/NzbDrone.Core/Indexers/Definitions/Redacted.cs b/src/NzbDrone.Core/Indexers/Definitions/Redacted.cs
index 505a173e0..2460c7f3d 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Redacted.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Redacted.cs
@@ -94,6 +94,8 @@ namespace NzbDrone.Core.Indexers.Definitions
                 _logger.Error("Download failed");
             }
 
+            ValidateTorrent(downloadBytes);
+
             return downloadBytes;
         }
     }
diff --git a/src/NzbDrone.Core/Indexers/Definitions/SpeedApp/SpeedAppBase.cs b/src/NzbDrone.Core/Indexers/Definitions/SpeedApp/SpeedAppBase.cs
index eb8309205..b7ffde0d6 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/SpeedApp/SpeedAppBase.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/SpeedApp/SpeedAppBase.cs
@@ -111,6 +111,7 @@ namespace NzbDrone.Core.Indexers.Definitions
             if (link.Scheme == "magnet")
             {
                 ValidateMagnet(link.OriginalString);
+
                 return Encoding.UTF8.GetBytes(link.OriginalString);
             }
 
@@ -164,6 +165,8 @@ namespace NzbDrone.Core.Indexers.Definitions
                 throw;
             }
 
+            ValidateTorrent(torrentData);
+
             return torrentData;
         }
 
diff --git a/src/NzbDrone.Core/Indexers/TorrentIndexerBase.cs b/src/NzbDrone.Core/Indexers/TorrentIndexerBase.cs
index b804c2903..dda66a713 100644
--- a/src/NzbDrone.Core/Indexers/TorrentIndexerBase.cs
+++ b/src/NzbDrone.Core/Indexers/TorrentIndexerBase.cs
@@ -26,6 +26,7 @@ namespace NzbDrone.Core.Indexers
             if (link.Scheme == "magnet")
             {
                 ValidateMagnet(link.OriginalString);
+
                 return Encoding.UTF8.GetBytes(link.OriginalString);
             }
 
@@ -78,6 +79,8 @@ namespace NzbDrone.Core.Indexers
                 throw;
             }
 
+            ValidateTorrent(torrentData);
+
             return torrentData;
         }
 
@@ -85,5 +88,18 @@ namespace NzbDrone.Core.Indexers
         {
             MagnetLink.Parse(link);
         }
+
+        protected void ValidateTorrent(byte[] torrentData)
+        {
+            try
+            {
+                Torrent.Load(torrentData);
+            }
+            catch
+            {
+                _logger.Trace("Invalid torrent file contents: {0}", Encoding.ASCII.GetString(torrentData));
+                throw;
+            }
+        }
     }
 }