diff --git a/src/Microsoft.AspNetCore.Server.IISIntegration/WebHostBuilderIISExtensions.cs b/src/Microsoft.AspNetCore.Server.IISIntegration/WebHostBuilderIISExtensions.cs
index ae6a336979..6f7f977c13 100644
--- a/src/Microsoft.AspNetCore.Server.IISIntegration/WebHostBuilderIISExtensions.cs
+++ b/src/Microsoft.AspNetCore.Server.IISIntegration/WebHostBuilderIISExtensions.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
@@ -52,6 +52,7 @@ namespace Microsoft.AspNetCore.Hosting
                 {
                     // Delay register the url so users don't accidently overwrite it.
                     hostBuilder.UseSetting(WebHostDefaults.ServerUrlsKey, address);
+                    hostBuilder.PreferHostingUrls(true);
                     services.AddSingleton<IStartupFilter>(new IISSetupFilter(pairingToken, new PathString(path)));
                     services.Configure<ForwardedHeadersOptions>(options =>
                     {
diff --git a/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/IISMiddlewareTests.cs b/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/IISMiddlewareTests.cs
index ea1be889e5..9be4aa590f 100644
--- a/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/IISMiddlewareTests.cs
+++ b/test/Microsoft.AspNetCore.Server.IISIntegration.Tests/IISMiddlewareTests.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System.Net;
@@ -72,7 +72,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration
         }
 
         [Fact]
-        public void UrlDelayRegistered()
+        public void UrlDelayRegisteredAndPreferHostingUrlsSet()
         {
             var builder = new WebHostBuilder()
                 .UseSetting("TOKEN", "TestToken")
@@ -85,11 +85,13 @@ namespace Microsoft.AspNetCore.Server.IISIntegration
                 });
 
             Assert.Null(builder.GetSetting(WebHostDefaults.ServerUrlsKey));
+            Assert.Null(builder.GetSetting(WebHostDefaults.PreferHostingUrls));
 
             // Adds a server and calls Build()
             var server = new TestServer(builder);
 
             Assert.Equal("http://localhost:12345", builder.GetSetting(WebHostDefaults.ServerUrlsKey));
+            Assert.Equal("true", builder.GetSetting(WebHostDefaults.PreferHostingUrls));
         }
 
         [Fact]