diff --git a/src/NzbDrone.Core/Indexers/RssParser.cs b/src/NzbDrone.Core/Indexers/RssParser.cs
index 5f68a5db5..985e4968d 100644
--- a/src/NzbDrone.Core/Indexers/RssParser.cs
+++ b/src/NzbDrone.Core/Indexers/RssParser.cs
@@ -195,7 +195,7 @@ protected virtual long GetSize(XElement item)
             {
                 return GetEnclosureLength(item);
             }
-            if (ParseSizeInDescription)
+            if (ParseSizeInDescription && item.Element("description") != null)
             {
                 return ParseSize(item.Element("description").Value, true);
             }