diff --git a/src/BenchmarksApps/TechEmpower/Kestrel/BenchmarkApp.cs b/src/BenchmarksApps/TechEmpower/Kestrel/BenchmarkApp.cs
index a3bd2b888..61aaa6569 100644
--- a/src/BenchmarksApps/TechEmpower/Kestrel/BenchmarkApp.cs
+++ b/src/BenchmarksApps/TechEmpower/Kestrel/BenchmarkApp.cs
@@ -23,6 +23,7 @@ public Task ProcessRequestAsync(IFeatureCollection features)
         if (req.Method != "GET")
         {
             res.StatusCode = StatusCodes.Status405MethodNotAllowed;
+            return Task.CompletedTask;
         }
 
         return req.Path switch