diff --git a/test/Microsoft.AspNetCore.Mvc.Routing.Abstractions.Tests/project.json b/test/Microsoft.AspNetCore.Mvc.Routing.Abstractions.Tests/project.json
index f951f54907..a327bd910d 100644
--- a/test/Microsoft.AspNetCore.Mvc.Routing.Abstractions.Tests/project.json
+++ b/test/Microsoft.AspNetCore.Mvc.Routing.Abstractions.Tests/project.json
@@ -16,7 +16,7 @@
       },
       "imports": "portable-net451+win8"
     },
-    "dnx451": {
+    "net451": {
       "frameworkAssemblies": {
         "System.Runtime": "",
         "System.Threading.Tasks": ""
diff --git a/test/Microsoft.AspNetCore.Routing.DecisionTree.Sources.Tests/project.json b/test/Microsoft.AspNetCore.Routing.DecisionTree.Sources.Tests/project.json
index 83795525c8..4eabf30875 100644
--- a/test/Microsoft.AspNetCore.Routing.DecisionTree.Sources.Tests/project.json
+++ b/test/Microsoft.AspNetCore.Routing.DecisionTree.Sources.Tests/project.json
@@ -19,7 +19,7 @@
       },
       "imports": "portable-net451+win8"
     },
-    "dnx451": {
+    "net451": {
       "frameworkAssemblies": {
         "System.Runtime": "",
         "System.Threading.Tasks": ""
diff --git a/test/Microsoft.AspNetCore.Routing.Tests/project.json b/test/Microsoft.AspNetCore.Routing.Tests/project.json
index b146587b3d..f9b7c91e0f 100644
--- a/test/Microsoft.AspNetCore.Routing.Tests/project.json
+++ b/test/Microsoft.AspNetCore.Routing.Tests/project.json
@@ -21,7 +21,7 @@
       },
       "imports": "portable-net451+win8"
     },
-    "dnx451": {
+    "net451": {
       "frameworkAssemblies": {
         "System.Runtime": "",
         "System.Threading.Tasks": ""