diff --git a/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/HelloWorldTest.cs b/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/HelloWorldTest.cs
index 46b1dc35f3..84d71a9003 100644
--- a/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/HelloWorldTest.cs
+++ b/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/HelloWorldTest.cs
@@ -54,6 +54,7 @@ namespace Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests
                     EnvironmentName = "HelloWorld", // Will pick the Start class named 'StartupHelloWorld',
                     ApplicationHostConfigTemplateContent = (serverType == ServerType.IISExpress) ? File.ReadAllText("Http.config") : null,
                     SiteName = "HttpTestSite", // This is configured in the Http.config
+                    PublishTargetFramework = runtimeFlavor == RuntimeFlavor.Clr ? "dnx451" : "dnxcore50"
                 };
 
                 using (var deployer = ApplicationDeployerFactory.Create(deploymentParameters, logger))
diff --git a/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/HttpsTest.cs b/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/HttpsTest.cs
index 0d13849596..8d8e18d986 100644
--- a/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/HttpsTest.cs
+++ b/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/HttpsTest.cs
@@ -41,6 +41,7 @@ namespace Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests
                     EnvironmentName = "HttpsHelloWorld", // Will pick the Start class named 'StartupHttpsHelloWorld',
                     ApplicationHostConfigTemplateContent = (serverType == ServerType.IISExpress) ? File.ReadAllText("Https.config") : null,
                     SiteName = "HttpsTestSite", // This is configured in the Https.config
+                    PublishTargetFramework = runtimeFlavor == RuntimeFlavor.Clr ? "dnx451" : "dnxcore50"
                 };
 
                 using (var deployer = ApplicationDeployerFactory.Create(deploymentParameters, logger))
@@ -109,6 +110,7 @@ namespace Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests
                     EnvironmentName = "HttpsHelloWorld", // Will pick the Start class named 'StartupHttpsHelloWorld',
                     ApplicationHostConfigTemplateContent = (serverType == ServerType.IISExpress) ? File.ReadAllText("Https.config") : null,
                     SiteName = "HttpsTestSite", // This is configured in the Https.config
+                    PublishTargetFramework = runtimeFlavor == RuntimeFlavor.Clr ? "dnx451" : "dnxcore50"
                 };
 
                 using (var deployer = ApplicationDeployerFactory.Create(deploymentParameters, logger))
diff --git a/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/NtlmAuthentationTest.cs b/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/NtlmAuthentationTest.cs
index a05b5330d8..cf3c35810f 100644
--- a/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/NtlmAuthentationTest.cs
+++ b/test/Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests/NtlmAuthentationTest.cs
@@ -36,6 +36,7 @@ namespace Microsoft.AspNetCore.IISPlatformHandler.FunctionalTests
                     EnvironmentName = "NtlmAuthentication", // Will pick the Start class named 'StartupNtlmAuthentication'
                     ApplicationHostConfigTemplateContent = (serverType == ServerType.IISExpress) ? File.ReadAllText("NtlmAuthentation.config") : null,
                     SiteName = "NtlmAuthenticationTestSite", // This is configured in the NtlmAuthentication.config
+                    PublishTargetFramework = runtimeFlavor == RuntimeFlavor.Clr ? "dnx451" : "dnxcore50"
                 };
 
                 using (var deployer = ApplicationDeployerFactory.Create(deploymentParameters, logger))