diff --git a/NzbDrone.Core/Providers/Core/HttpProvider.cs b/NzbDrone.Core/Providers/Core/HttpProvider.cs
index 9e22e0ee7..2789077f7 100644
--- a/NzbDrone.Core/Providers/Core/HttpProvider.cs
+++ b/NzbDrone.Core/Providers/Core/HttpProvider.cs
@@ -68,7 +68,7 @@ namespace NzbDrone.Core.Providers.Core
 
         public virtual string PostCommand(string address, string username, string password, string command)
         {
-            address += "/jsonrpc";
+            address = String.Format("http://{0}/jsonrpc", address);
 
             Logger.Trace("Posting command: {0}, to {1}", command, address);