diff --git a/src/Microsoft.AspNet.Buffering/BufferingWriteStream.cs b/src/Microsoft.AspNet.Buffering/BufferingWriteStream.cs
index d8a04d1cdc..c848b61767 100644
--- a/src/Microsoft.AspNet.Buffering/BufferingWriteStream.cs
+++ b/src/Microsoft.AspNet.Buffering/BufferingWriteStream.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
@@ -159,7 +159,7 @@ namespace Microsoft.AspNet.Buffering
                 return _innerStream.WriteAsync(buffer, offset, count, cancellationToken);
             }
         }
-#if !DNXCORE50
+#if !DOTNET5_4
         public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)
         {
             if (_isBuffering)
diff --git a/src/Microsoft.AspNet.Buffering/project.json b/src/Microsoft.AspNet.Buffering/project.json
index 9df583e0d5..93d2adc8b2 100644
--- a/src/Microsoft.AspNet.Buffering/project.json
+++ b/src/Microsoft.AspNet.Buffering/project.json
@@ -1,4 +1,4 @@
-{
+{
   "version": "1.0.0-*",
   "description": "ASP.NET middleware for buffering response bodies.",
   "repository": {
@@ -9,10 +9,9 @@
     "Microsoft.AspNet.Http.Abstractions": "1.0.0-*"
   },
   "frameworks": {
-    "dnx451": { },
-    "dnxcore50": {
-      "dependencies": {
-      }
+    "net451": {},
+    "dotnet5.4": {
+      "dependencies": {}
     }
   }
-}
+}
\ No newline at end of file
diff --git a/src/Microsoft.AspNet.HttpOverrides/project.json b/src/Microsoft.AspNet.HttpOverrides/project.json
index d7910084bc..c3d1e4974d 100644
--- a/src/Microsoft.AspNet.HttpOverrides/project.json
+++ b/src/Microsoft.AspNet.HttpOverrides/project.json
@@ -9,8 +9,8 @@
     "Microsoft.AspNet.Http.Extensions": "1.0.0-*"
   },
   "frameworks": {
-    "dnx451": { },
-    "dnxcore50": {
+    "net451": {},
+    "dotnet5.4": {
       "dependencies": {
         "System.Collections": "4.0.10-*",
         "System.Linq": "4.0.0-*",
@@ -18,4 +18,4 @@
       }
     }
   }
-}
+}
\ No newline at end of file