diff --git a/samples/IdentitySample.Mvc/project.json b/samples/IdentitySample.Mvc/project.json
index 625f7a564a..c4c71d619a 100644
--- a/samples/IdentitySample.Mvc/project.json
+++ b/samples/IdentitySample.Mvc/project.json
@@ -35,7 +35,11 @@
     "web": "IdentitySample.Mvc"
   },
   "frameworks": {
-    "dnx451": {},
+    "dnx451": {
+      "frameworkAssemblies": {
+        "System.Reflection": ""
+      }
+    },
     "dnxcore50": {
       "imports": "portable-net45+win8"
     }
diff --git a/test/Microsoft.AspNetCore.Identity.EntityFrameworkCore.InMemory.Test/project.json b/test/Microsoft.AspNetCore.Identity.EntityFrameworkCore.InMemory.Test/project.json
index 4b27ad3c0b..b0906885ac 100644
--- a/test/Microsoft.AspNetCore.Identity.EntityFrameworkCore.InMemory.Test/project.json
+++ b/test/Microsoft.AspNetCore.Identity.EntityFrameworkCore.InMemory.Test/project.json
@@ -22,7 +22,7 @@
       },
       "imports": "portable-net451+win8"
     },
-    "dnx451": {
+    "net451": {
       "frameworkAssemblies": {
         "System.Threading.Tasks": ""
       },
@@ -33,4 +33,4 @@
     }
   },
   "testRunner": "xunit"
-}
\ No newline at end of file
+}
diff --git a/test/Microsoft.AspNetCore.Identity.EntityFrameworkCore.Test/project.json b/test/Microsoft.AspNetCore.Identity.EntityFrameworkCore.Test/project.json
index 36961cbfad..bee0e653d4 100644
--- a/test/Microsoft.AspNetCore.Identity.EntityFrameworkCore.Test/project.json
+++ b/test/Microsoft.AspNetCore.Identity.EntityFrameworkCore.Test/project.json
@@ -27,7 +27,7 @@
       },
       "imports": "portable-net451+win8"
     },
-    "dnx451": {
+    "net451": {
       "frameworkAssemblies": {
         "System.Threading.Tasks": ""
       },
@@ -38,4 +38,4 @@
     }
   },
   "testRunner": "xunit"
-}
\ No newline at end of file
+}
diff --git a/test/Microsoft.AspNetCore.Identity.InMemory.Test/project.json b/test/Microsoft.AspNetCore.Identity.InMemory.Test/project.json
index 9a916a2806..8f3b0c92d0 100644
--- a/test/Microsoft.AspNetCore.Identity.InMemory.Test/project.json
+++ b/test/Microsoft.AspNetCore.Identity.InMemory.Test/project.json
@@ -23,7 +23,7 @@
       },
       "imports": "portable-net451+win8"
     },
-    "dnx451": {
+    "net451": {
       "frameworkAssemblies": {
         "System.Threading.Tasks": ""
       },
@@ -34,4 +34,4 @@
     }
   },
   "testRunner": "xunit"
-}
\ No newline at end of file
+}
diff --git a/test/Microsoft.AspNetCore.Identity.Test/project.json b/test/Microsoft.AspNetCore.Identity.Test/project.json
index beba6ba26c..492dd200cc 100644
--- a/test/Microsoft.AspNetCore.Identity.Test/project.json
+++ b/test/Microsoft.AspNetCore.Identity.Test/project.json
@@ -23,7 +23,7 @@
       },
       "imports": "portable-net451+win8"
     },
-    "dnx451": {
+    "net451": {
       "frameworkAssemblies": {
         "System.Threading.Tasks": ""
       },
@@ -34,4 +34,4 @@
     }
   },
   "testRunner": "xunit"
-}
\ No newline at end of file
+}