diff --git a/src/Microsoft.AspNet.Server.Testing/Deployers/ApplicationDeployer.cs b/src/Microsoft.AspNet.Server.Testing/Deployers/ApplicationDeployer.cs
index 8e9541199b..a8dfd0e17a 100644
--- a/src/Microsoft.AspNet.Server.Testing/Deployers/ApplicationDeployer.cs
+++ b/src/Microsoft.AspNet.Server.Testing/Deployers/ApplicationDeployer.cs
@@ -238,9 +238,9 @@ namespace Microsoft.AspNet.Server.Testing
         protected void AddEnvironmentVariablesToProcess(ProcessStartInfo startInfo)
         {
             var environment =
-#if NET451
+#if DNX451
                 startInfo.EnvironmentVariables;
-#elif DOTNET5_4
+#elif DNXCORE50
                 startInfo.Environment;
 #endif
 
@@ -260,10 +260,10 @@ namespace Microsoft.AspNet.Server.Testing
             }
         }
 
-#if DNX451 || NET451
+#if DNX451
         protected void SetEnvironmentVariable(System.Collections.Specialized.StringDictionary environment, string name, string value)
         {
-#elif DNXCORE50 || DOTNET5_4
+#elif DNXCORE50
         protected void SetEnvironmentVariable(System.Collections.Generic.IDictionary<string, string> environment, string name, string value)
         {
 #endif
diff --git a/src/Microsoft.AspNet.Server.Testing/project.json b/src/Microsoft.AspNet.Server.Testing/project.json
index 4d3ddd3fd1..66ee97d55c 100644
--- a/src/Microsoft.AspNet.Server.Testing/project.json
+++ b/src/Microsoft.AspNet.Server.Testing/project.json
@@ -11,7 +11,7 @@
     "Microsoft.Extensions.PlatformAbstractions": "1.0.0-*"
   },
   "frameworks": {
-    "net451": {
+    "dnx451": {
       "dependencies": {
         "Microsoft.Web.Administration": "7.0.0"
       },
@@ -20,7 +20,7 @@
         "System.Xml": ""
       }
     },
-    "dotnet5.4": {
+    "dnxcore50": {
       "dependencies": {
         "System.Diagnostics.Process": "4.0.0-beta-*",
         "System.IO.FileSystem": "4.0.1-beta-*",