diff --git a/src/Microsoft.AspNet.Cors.Core/project.json b/src/Microsoft.AspNet.Cors.Core/project.json
index 55840b00a5..fbd6d04df2 100644
--- a/src/Microsoft.AspNet.Cors.Core/project.json
+++ b/src/Microsoft.AspNet.Cors.Core/project.json
@@ -4,11 +4,11 @@
 	},
 
     "frameworks" : {
-        "aspnet50" : { 
+        "dnx451" : { 
             "dependencies": {
             }
         },
-        "aspnetcore50" : { 
+        "dnxcore50" : { 
             "dependencies": {
                 "System.Runtime": "4.0.20-beta-*"
             }