diff --git a/Libraries/src/Amazon.Lambda.AspNetCoreServer/Internal/InvokeFeatures.cs b/Libraries/src/Amazon.Lambda.AspNetCoreServer/Internal/InvokeFeatures.cs
index 293f26b6a..2635f5f1d 100644
--- a/Libraries/src/Amazon.Lambda.AspNetCoreServer/Internal/InvokeFeatures.cs
+++ b/Libraries/src/Amazon.Lambda.AspNetCoreServer/Internal/InvokeFeatures.cs
@@ -180,10 +180,8 @@ string IHttpResponseFeature.ReasonPhrase
             set;
         }
 
-        bool IHttpResponseFeature.HasStarted
-        {
-            get;
-        }
+        bool _hasStarted;
+        bool IHttpResponseFeature.HasStarted => _hasStarted;
 
         IHeaderDictionary IHttpResponseFeature.Headers
         {
@@ -320,6 +318,7 @@ async Task IHttpResponseBodyFeature.SendFileAsync(
 
         Task IHttpResponseBodyFeature.StartAsync(CancellationToken cancellationToken)
         {
+            _hasStarted = true;
             return Task.CompletedTask;
         }
         #endregion
diff --git a/Libraries/test/Amazon.Lambda.AspNetCoreServer.Test/TestCallingWebAPI.cs b/Libraries/test/Amazon.Lambda.AspNetCoreServer.Test/TestCallingWebAPI.cs
index 658bd7f9b..467733787 100644
--- a/Libraries/test/Amazon.Lambda.AspNetCoreServer.Test/TestCallingWebAPI.cs
+++ b/Libraries/test/Amazon.Lambda.AspNetCoreServer.Test/TestCallingWebAPI.cs
@@ -486,6 +486,27 @@ public void EnsureTraceIdStaysTheSame()
             Assert.Equal(traceId1, traceId2);
         }
 
+        [Fact]
+        public void TestDefaultResponseHasStartedFalse()
+        {
+            var features = new InvokeFeatures();
+            var response = (IHttpResponseFeature)features;
+
+            Assert.False(response.HasStarted);
+        }
+
+        [Fact]
+        public async Task TestStartAsyncSetsHasStartedTrue()
+        {
+            var features = new InvokeFeatures();
+            var responseBody = (IHttpResponseBodyFeature)features;
+
+            await responseBody.StartAsync();
+
+            var response = (IHttpResponseFeature)features;
+            Assert.True(response.HasStarted);
+        }
+
         private async Task<APIGatewayProxyResponse> InvokeAPIGatewayRequest(string fileName, bool configureApiToReturnExceptionDetail = false)
         {
             return await InvokeAPIGatewayRequest(new TestLambdaContext(), fileName, configureApiToReturnExceptionDetail);