diff --git a/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs b/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs
index 9065901930..90c5ffad53 100644
--- a/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs
+++ b/src/NzbDrone.Core/Indexers/Newznab/NewznabRssParser.cs
@@ -56,7 +56,8 @@ public static void CheckError(XDocument xdoc, IndexerResponse indexerResponse)
 
         protected override bool PreProcess(IndexerResponse indexerResponse)
         {
-            if (indexerResponse.HttpResponse.HasHttpError)
+            if (indexerResponse.HttpResponse.HasHttpError &&
+                (indexerResponse.HttpResponse.Headers.ContentType == null || !indexerResponse.HttpResponse.Headers.ContentType.Contains("xml")))
             {
                 base.PreProcess(indexerResponse);
             }
diff --git a/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs b/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs
index aaa585741a..bbf7601aa1 100644
--- a/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs
+++ b/src/NzbDrone.Core/Indexers/Torznab/TorznabRssParser.cs
@@ -21,7 +21,8 @@ public TorznabRssParser()
 
         protected override bool PreProcess(IndexerResponse indexerResponse)
         {
-            if (indexerResponse.HttpResponse.HasHttpError)
+            if (indexerResponse.HttpResponse.HasHttpError &&
+                (indexerResponse.HttpResponse.Headers.ContentType == null || !indexerResponse.HttpResponse.Headers.ContentType.Contains("xml")))
             {
                 base.PreProcess(indexerResponse);
             }