diff --git a/AutoRest/AutoRest.Core/Utilities/FileSystem.cs b/AutoRest/AutoRest.Core/Utilities/FileSystem.cs
index 91b4f6c18bdd0..231b6521090d3 100644
--- a/AutoRest/AutoRest.Core/Utilities/FileSystem.cs
+++ b/AutoRest/AutoRest.Core/Utilities/FileSystem.cs
@@ -17,6 +17,7 @@ public string ReadFileAsText(string path)
         {
             using (var client = new WebClient())
             {
+                client.Headers.Add("User-Agent: AutoRest");
                 return client.DownloadString(path);
             }
         }