diff --git a/samples/IISSample/project.json b/samples/IISSample/project.json
index 1141de3a07..56c97356c7 100644
--- a/samples/IISSample/project.json
+++ b/samples/IISSample/project.json
@@ -14,7 +14,9 @@
   },
   "frameworks": {
     "net451": { },
-    "netstandardapp1.5": { }
+    "netstandardapp1.5": {
+      "imports": "portable-net451+win8"
+    }
   },
   "publishExclude": [
     "node_modules",
diff --git a/src/Microsoft.AspNetCore.Server.IISIntegration.Tools/project.json b/src/Microsoft.AspNetCore.Server.IISIntegration.Tools/project.json
index 2e9667d2f5..318f0365f4 100644
--- a/src/Microsoft.AspNetCore.Server.IISIntegration.Tools/project.json
+++ b/src/Microsoft.AspNetCore.Server.IISIntegration.Tools/project.json
@@ -17,7 +17,11 @@
   },
 
   "frameworks": {
-    "dnxcore50": {
+    "netstandardapp1.5": {
+      "imports": [
+        "portable-net451+win8",
+        "dnxcore50"
+      ]
     }
   }
 }
diff --git a/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/project.json b/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/project.json
index 6c69336f4a..6684014037 100644
--- a/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/project.json
+++ b/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/project.json
@@ -8,7 +8,10 @@
   },
   "frameworks": {
     "netstandardapp1.5": {
-      "imports": "portable-net451+win8",
+      "imports": [
+        "portable-net451+win8",
+        "dnxcore50"
+      ],
       "dependencies": {
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
diff --git a/test/Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests/project.json b/test/Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests/project.json
index 6fb6f6f983..dee9e49e2a 100644
--- a/test/Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests/project.json
+++ b/test/Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests/project.json
@@ -6,7 +6,10 @@
   },
   "frameworks": {
     "netstandardapp1.5": {
-      "imports": "portable-net451+win8",
+      "imports": [
+        "portable-net451+win8",
+        "dnxcore50"
+      ],
       "dependencies": {
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
diff --git a/test/TestSites/project.json b/test/TestSites/project.json
index 0439a35a03..12826ac40b 100644
--- a/test/TestSites/project.json
+++ b/test/TestSites/project.json
@@ -18,12 +18,15 @@
   },
   "frameworks": {
     "netstandardapp1.5": {
-      "imports": "portable-net451+win8",
+      "imports": [
+        "portable-net451+win8",
+        "dnxcore50"
+      ],
       "dependencies": {
         "System.Net.Primitives": "4.0.11-*",
         "dotnet-test-xunit": "1.0.0-dev-*"
       }
     },
-    "dnx451": {}
+    "net451": {}
   }
 }