diff --git a/src/Microsoft.Net.Http.Server/RequestProcessing/RequestStream.cs b/src/Microsoft.Net.Http.Server/RequestProcessing/RequestStream.cs
index d84ff59a73..de77301209 100644
--- a/src/Microsoft.Net.Http.Server/RequestProcessing/RequestStream.cs
+++ b/src/Microsoft.Net.Http.Server/RequestProcessing/RequestStream.cs
@@ -358,7 +358,7 @@ namespace Microsoft.Net.Http.Server
                     size = MaxReadSize;
                 }
 
-                CancellationTokenRegistration cancellationRegistration;
+                var cancellationRegistration = default(CancellationTokenRegistration);
                 if (cancellationToken.CanBeCanceled)
                 {
                     cancellationRegistration = cancellationToken.Register(RequestContext.AbortDelegate, _requestContext);
diff --git a/src/Microsoft.Net.Http.Server/RequestProcessing/ResponseStream.cs b/src/Microsoft.Net.Http.Server/RequestProcessing/ResponseStream.cs
index 4bea85040b..4be40d6c69 100644
--- a/src/Microsoft.Net.Http.Server/RequestProcessing/ResponseStream.cs
+++ b/src/Microsoft.Net.Http.Server/RequestProcessing/ResponseStream.cs
@@ -139,7 +139,7 @@ namespace Microsoft.Net.Http.Server
                 return Helpers.CanceledTask<int>();
             }
 
-            CancellationTokenRegistration cancellationRegistration;
+            var cancellationRegistration = default(CancellationTokenRegistration);
             if (cancellationToken.CanBeCanceled)
             {
                 cancellationRegistration = cancellationToken.Register(RequestContext.AbortDelegate, _requestContext);
@@ -534,7 +534,7 @@ namespace Microsoft.Net.Http.Server
                 return Helpers.CanceledTask<int>();
             }
 
-            CancellationTokenRegistration cancellationRegistration;
+            var cancellationRegistration = default(CancellationTokenRegistration);
             if (cancellationToken.CanBeCanceled)
             {
                 cancellationRegistration = cancellationToken.Register(RequestContext.AbortDelegate, _requestContext);
@@ -640,7 +640,7 @@ namespace Microsoft.Net.Http.Server
                 return Helpers.CanceledTask<int>();
             }
 
-            CancellationTokenRegistration cancellationRegistration;
+            var cancellationRegistration = default(CancellationTokenRegistration);
             if (cancellationToken.CanBeCanceled)
             {
                 cancellationRegistration = cancellationToken.Register(RequestContext.AbortDelegate, _requestContext);