diff --git a/src/NzbDrone.Core/Indexers/Definitions/Headphones/HeadphonesRssParser.cs b/src/NzbDrone.Core/Indexers/Definitions/Headphones/HeadphonesRssParser.cs
index 6a1081063..7768751c4 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Headphones/HeadphonesRssParser.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Headphones/HeadphonesRssParser.cs
@@ -54,7 +54,8 @@ namespace NzbDrone.Core.Indexers.Headphones
 
         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/Definitions/Newznab/NewznabRssParser.cs b/src/NzbDrone.Core/Indexers/Definitions/Newznab/NewznabRssParser.cs
index 71d127085..1f4388b87 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Newznab/NewznabRssParser.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Newznab/NewznabRssParser.cs
@@ -58,7 +58,8 @@ namespace NzbDrone.Core.Indexers.Newznab
 
         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/Definitions/Torznab/TorznabRssParser.cs b/src/NzbDrone.Core/Indexers/Definitions/Torznab/TorznabRssParser.cs
index 11e5d23fa..953ec9f21 100644
--- a/src/NzbDrone.Core/Indexers/Definitions/Torznab/TorznabRssParser.cs
+++ b/src/NzbDrone.Core/Indexers/Definitions/Torznab/TorznabRssParser.cs
@@ -28,7 +28,8 @@ namespace NzbDrone.Core.Indexers.Torznab
 
         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);
             }