diff --git a/src/Microsoft.AspNetCore.Server.IISIntegration.Tools/WebConfigTransform.cs b/src/Microsoft.AspNetCore.Server.IISIntegration.Tools/WebConfigTransform.cs
index edfed37bb1..34d1fdc1fa 100644
--- a/src/Microsoft.AspNetCore.Server.IISIntegration.Tools/WebConfigTransform.cs
+++ b/src/Microsoft.AspNetCore.Server.IISIntegration.Tools/WebConfigTransform.cs
@@ -60,7 +60,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration.Tools
             // Forward slashes currently work neither in AspNetCoreModule nor in dotnet so they need to be
             // replaced with backwards slashes when the application is published on a non-Windows machine
             var appPath = Path.Combine(configureForAzure ? @"%home%\site" : ".", appName).Replace("/", "\\");
-            var logPath = Path.Combine(configureForAzure ? @"\\?\%home%\LogFiles" : @".\logs", "stdout.log").Replace("/", "\\");
+            var logPath = Path.Combine(configureForAzure ? @"\\?\%home%\LogFiles" : @".\logs", "stdout").Replace("/", "\\");
 
             aspNetCoreElement.SetAttributeValue("processPath", appPath);
             SetAttributeValueIfEmpty(aspNetCoreElement, "stdoutLogEnabled", "false");
diff --git a/test/Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests/WebConfigTransformFacts.cs b/test/Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests/WebConfigTransformFacts.cs
index 0dbdea3839..0a86a7eef5 100644
--- a/test/Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests/WebConfigTransformFacts.cs
+++ b/test/Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests/WebConfigTransformFacts.cs
@@ -12,7 +12,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests
     <handlers>
       <add name=""aspNetCore"" path=""*"" verb=""*"" modules=""AspNetCoreModule"" resourceType=""Unspecified""/>
     </handlers>
-    <aspNetCore processPath="".\test.exe"" stdoutLogEnabled=""false"" stdoutLogFile="".\logs\stdout.log"" startupTimeLimit=""3600""/>
+    <aspNetCore processPath="".\test.exe"" stdoutLogEnabled=""false"" stdoutLogFile="".\logs\stdout"" startupTimeLimit=""3600""/>
   </system.webServer>
 </configuration>");
 
@@ -58,7 +58,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests
         [InlineData("aspNetCore", "stdoutLogEnabled", "true")]
         [InlineData("aspNetCore", "startupTimeLimit", "1200")]
         [InlineData("aspNetCore", "arguments", "arg1")]
-        [InlineData("aspNetCore", "stdoutLogFile", "logfile.log")]
+        [InlineData("aspNetCore", "stdoutLogFile", "logfile")]
         public void WebConfigTransform_wont_override_custom_values(string elementName, string attributeName, string attributeValue)
         {
             var input = WebConfigTemplate;
@@ -130,7 +130,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests
             }
 
             Assert.Equal(
-                @".\logs\stdout.log",
+                @".\logs\stdout",
                 (string)WebConfigTransform.Transform(input, "test.exe", configureForAzure: false)
                     .Descendants().Attributes("stdoutLogFile").Single());
         }
@@ -169,7 +169,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration.Tools.Tests
 
             Assert.True(XNode.DeepEquals(
                 XDocument.Parse(@"<aspNetCore processPath=""%home%\site\test.exe"" stdoutLogEnabled=""false""
-                    stdoutLogFile=""\\?\%home%\LogFiles\stdout.log"" startupTimeLimit=""3600""/>").Root,
+                    stdoutLogFile=""\\?\%home%\LogFiles\stdout"" startupTimeLimit=""3600""/>").Root,
                 aspNetCoreElement));
         }