diff --git a/src/Microsoft.AspNetCore.Server.IISIntegration/NativeMethods.cs b/src/Microsoft.AspNetCore.Server.IISIntegration/NativeMethods.cs
index a2995dd3d0..00c9d5beb1 100644
--- a/src/Microsoft.AspNetCore.Server.IISIntegration/NativeMethods.cs
+++ b/src/Microsoft.AspNetCore.Server.IISIntegration/NativeMethods.cs
@@ -69,7 +69,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration
         internal unsafe static extern HttpApiTypes.HTTP_RESPONSE_V2* http_get_raw_response(IntPtr pInProcessHandler);
 
         [DllImport(AspNetCoreModuleDll, CharSet = CharSet.Ansi)]
-        public unsafe static extern void http_set_response_status_code(IntPtr pInProcessHandler, ushort statusCode, string pszReason);
+        public unsafe static extern int http_set_response_status_code(IntPtr pInProcessHandler, ushort statusCode, string pszReason);
 
         [DllImport(AspNetCoreModuleDll)]
         public unsafe static extern int http_read_request_bytes(IntPtr pInProcessHandler, byte* pvBuffer, int cbBuffer, out int dwBytesReceived, out bool fCompletionExpected);
diff --git a/src/Microsoft.AspNetCore.Server.IISIntegration/Server/IISHttpContext.cs b/src/Microsoft.AspNetCore.Server.IISIntegration/Server/IISHttpContext.cs
index 7e04b68edf..7690e8450c 100644
--- a/src/Microsoft.AspNetCore.Server.IISIntegration/Server/IISHttpContext.cs
+++ b/src/Microsoft.AspNetCore.Server.IISIntegration/Server/IISHttpContext.cs
@@ -336,7 +336,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration
          
             // This copies data into the underlying buffer
             NativeMethods.http_set_response_status_code(_pInProcessHandler, (ushort)StatusCode, reasonPhrase);
-
+            
             HttpResponseHeaders.IsReadOnly = true;
             foreach (var headerPair in HttpResponseHeaders)
             {
diff --git a/src/RequestHandler/managedexports.cxx b/src/RequestHandler/managedexports.cxx
index 80672a6667..46510a00b7 100644
--- a/src/RequestHandler/managedexports.cxx
+++ b/src/RequestHandler/managedexports.cxx
@@ -74,13 +74,15 @@ Finished:
     return hr;
 }
 
-EXTERN_C __MIDL_DECLSPEC_DLLEXPORT VOID http_set_response_status_code(
+EXTERN_C __MIDL_DECLSPEC_DLLEXPORT
+HRESULT
+http_set_response_status_code(
     _In_ IN_PROCESS_HANDLER* pInProcessHandler,
     _In_ USHORT statusCode,
     _In_ PCSTR pszReason
 )
 {
-    pInProcessHandler->QueryHttpContext()->GetResponse()->SetStatus(statusCode, pszReason);
+    return pInProcessHandler->QueryHttpContext()->GetResponse()->SetStatus(statusCode, pszReason);
 }
 
 EXTERN_C __MIDL_DECLSPEC_DLLEXPORT
diff --git a/test/IISIntegration.FunctionalTests/Inprocess/ResponseHeaderTests.cs b/test/IISIntegration.FunctionalTests/Inprocess/ResponseHeaderTests.cs
index e54920e59d..6b9e561e40 100644
--- a/test/IISIntegration.FunctionalTests/Inprocess/ResponseHeaderTests.cs
+++ b/test/IISIntegration.FunctionalTests/Inprocess/ResponseHeaderTests.cs
@@ -42,7 +42,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests
         }
         
         [ConditionalFact]
-        public async Task ErrorCodeIsSetForExceoptionDuringRequest()
+        public async Task ErrorCodeIsSetForExceptionDuringRequest()
         {
             var response = await _fixture.Client.GetAsync("Throw");
             Assert.Equal(HttpStatusCode.InternalServerError, response.StatusCode);
@@ -50,7 +50,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests
         }
 
         [ConditionalTheory]
-        [InlineData(1, "custom", "custom")]
+        [InlineData(200, "custom", "custom")]
         [InlineData(500, "", "Internal Server Error")]
         [InlineData(999, "", "")]
         public async Task CustomErrorCodeWorks(int code, string reason, string expectedReason)