diff --git a/examples/WireMock.Net.Console.Net452.Classic/MainApp.cs b/examples/WireMock.Net.Console.Net452.Classic/MainApp.cs
index 20fb432e..37d9f08a 100644
--- a/examples/WireMock.Net.Console.Net452.Classic/MainApp.cs
+++ b/examples/WireMock.Net.Console.Net452.Classic/MainApp.cs
@@ -643,6 +643,7 @@ namespace WireMock.Net.ConsoleApplication
                     .WithStatusCode(200)
                     .WithHeader("Content-Type", "application/json")
                     .WithBodyAsJson(new { Id = "5bdf076c-5654-4b3e-842c-7caf1fabf8c9" }));
+
             server
                 .Given(Request.Create().WithPath("/random200or505").UsingGet())
                 .RespondWith(Response.Create().WithCallback(request =>
@@ -650,7 +651,11 @@ namespace WireMock.Net.ConsoleApplication
                     int code = new Random().Next(1, 2) == 1 ? 505 : 200;
                     return new ResponseMessage
                     {
-                        BodyData = new BodyData { BodyAsString = "random200or505:" + code, DetectedBodyType = Types.BodyType.String },
+                        BodyData = new BodyData
+                        {
+                            BodyAsString = "random200or505:" + code + ", HeadersFromRequest = " + string.Join(",", request.Headers),
+                            DetectedBodyType = Types.BodyType.String,
+                        },
                         StatusCode = code
                     };
                 }));
diff --git a/test/WireMock.Net.Tests/ResponseBuilders/ResponseWithCallbackTests.cs b/test/WireMock.Net.Tests/ResponseBuilders/ResponseWithCallbackTests.cs
index 97806713..5703d283 100644
--- a/test/WireMock.Net.Tests/ResponseBuilders/ResponseWithCallbackTests.cs
+++ b/test/WireMock.Net.Tests/ResponseBuilders/ResponseWithCallbackTests.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 using System.Net;
 using System.Text;
 using System.Threading.Tasks;
@@ -279,4 +280,38 @@ public class ResponseWithCallbackTests
         response.Message.BodyData.BodyAsString.Should().Be("/fooBar");
         response.Message.StatusCode.Should().Be(302);
     }
+
+    // https://github.com/WireMock-Net/WireMock.Net/issues/898
+    [Fact]
+    public async Task Response_WithCallback_WithRequestHeaders_Should_BeAccessibleInCallback()
+    {
+        // Assign
+        var headerKey = "headerKey";
+        var headerValues = new[] { "abc" };
+        var requestHeaders = new Dictionary<string, string[]>
+        {
+            { headerKey, headerValues }
+        };
+        var requestMessage = new RequestMessage(new UrlDetails("http://localhost/foo"), "GET", "::1", null, requestHeaders);
+        var responseBuilder = Response.Create()
+            .WithCallback(request =>
+            {
+                var headersFromRequest = request!.Headers![headerKey].ToList();
+                headersFromRequest.Add("extra");
+
+                return new ResponseMessage
+                {
+                    Headers = new Dictionary<string, WireMockList<string>>
+                    {
+                        { headerKey, new WireMockList<string>(headersFromRequest) }
+                    }
+                };
+            });
+
+        // Act
+        var response = await responseBuilder.ProvideResponseAsync(_mappingMock.Object, requestMessage, _settings).ConfigureAwait(false);
+
+        // Assert
+        response.Message.Headers![headerKey].Should().Contain("extra");
+    }
 }
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