diff --git a/ClientRuntimes/CSharp/Microsoft.Rest.ClientRuntime/ServiceClient.cs b/ClientRuntimes/CSharp/Microsoft.Rest.ClientRuntime/ServiceClient.cs
index 4012b737cf69a..104af8135770e 100644
--- a/ClientRuntimes/CSharp/Microsoft.Rest.ClientRuntime/ServiceClient.cs
+++ b/ClientRuntimes/CSharp/Microsoft.Rest.ClientRuntime/ServiceClient.cs
@@ -238,7 +238,7 @@ public bool SetUserAgent(string productName,string version)
                 /// Dispose the the old useragent.
                 /// </summary>
                 HttpClient.DefaultRequestHeaders.UserAgent.Clear();
-                HttpClient.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue(productName,version);
+                HttpClient.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue(productName,version));
                 // returns true if the userAgent was added 
                 return true;
             }