diff --git a/Octokit/Models/Request/SearchCodeRequest.cs b/Octokit/Models/Request/SearchCodeRequest.cs
index 6a9a4a45..30fca96c 100644
--- a/Octokit/Models/Request/SearchCodeRequest.cs
+++ b/Octokit/Models/Request/SearchCodeRequest.cs
@@ -120,7 +120,7 @@ namespace Octokit
 
             if (Language != null)
             {
-                parameters.Add(String.Format(CultureInfo.InvariantCulture, "language:{0}", Language));
+                parameters.Add(String.Format(CultureInfo.InvariantCulture, "language:{0}", Language.ToParameter()));
             }
 
             if (Forks != null)