diff --git a/src/Microsoft.AspNet.Server.Kestrel/Http/Frame.FeatureCollection.cs b/src/Microsoft.AspNet.Server.Kestrel/Http/Frame.FeatureCollection.cs
index 54190bf4c2..b4828a7982 100644
--- a/src/Microsoft.AspNet.Server.Kestrel/Http/Frame.FeatureCollection.cs
+++ b/src/Microsoft.AspNet.Server.Kestrel/Http/Frame.FeatureCollection.cs
@@ -31,7 +31,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
         {
             FastReset();
             MaybeExtra?.Clear();
-            Interlocked.Increment(ref _featureRevision);
+            _featureRevision++;
         }
 
         string IHttpRequestFeature.Protocol