diff --git a/test/WebSites/Microsoft.AspNet.Mvc.TestConfiguration/ErrorReporterMiddleware.cs b/test/WebSites/Microsoft.AspNet.Mvc.TestConfiguration/ErrorReporterMiddleware.cs
index 6a946320dd..26337bd037 100644
--- a/test/WebSites/Microsoft.AspNet.Mvc.TestConfiguration/ErrorReporterMiddleware.cs
+++ b/test/WebSites/Microsoft.AspNet.Mvc.TestConfiguration/ErrorReporterMiddleware.cs
@@ -32,7 +32,7 @@ namespace Microsoft.AspNet.Mvc.TestConfiguration
             }
             catch (Exception exception)
             {
-                if (context.Response.HeadersSent)
+                if (context.Response.HasStarted)
                 {
                     throw;
                 }
@@ -48,4 +48,4 @@ namespace Microsoft.AspNet.Mvc.TestConfiguration
             }
         }
     }
-}
\ No newline at end of file
+}