diff --git a/DevProxy.Tests/ProxyControllerTests.cs b/DevProxy.Tests/ProxyControllerTests.cs
new file mode 100644
index 000000000..c9158900c
--- /dev/null
+++ b/DevProxy.Tests/ProxyControllerTests.cs
@@ -0,0 +1,29 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Security.Cryptography;
+using System.Security.Cryptography.X509Certificates;
+using DevProxy.ApiControllers;
+using Microsoft.AspNetCore.Mvc;
+using Xunit;
+
+namespace DevProxy.Tests;
+
+public sealed class ProxyControllerTests
+{
+    [Fact]
+    public async Task RaiseMockRequestAsync_ReturnsNoContentAfterMockRequestCompletes()
+    {
+        var stateController = new FakeProxyStateController();
+        using var rsa = RSA.Create(2048);
+        var request = new CertificateRequest("CN=test", rsa, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
+        using var cert = request.CreateSelfSigned(DateTimeOffset.UtcNow, DateTimeOffset.UtcNow.AddDays(1));
+        var controller = new ProxyController(stateController, new FakeProxyConfiguration(), cert);
+
+        var result = await controller.RaiseMockRequestAsync(CancellationToken.None);
+
+        _ = Assert.IsType<NoContentResult>(result);
+        Assert.Equal(1, stateController.MockRequestCalls);
+    }
+}
diff --git a/DevProxy/ApiControllers/ProxyController.cs b/DevProxy/ApiControllers/ProxyController.cs
index 31b55b0c9..3332dab6c 100644
--- a/DevProxy/ApiControllers/ProxyController.cs
+++ b/DevProxy/ApiControllers/ProxyController.cs
@@ -57,11 +57,11 @@ public async Task<IActionResult> SetAsync([FromBody] ProxyInfo proxyInfo, Cancel
 
     [HttpPost("mockRequest")]
 #pragma warning disable CA1030
-    public async Task RaiseMockRequestAsync(CancellationToken cancellationToken)
+    public async Task<IActionResult> RaiseMockRequestAsync(CancellationToken cancellationToken)
 #pragma warning restore CA1030
     {
         await _proxyStateController.MockRequestAsync(cancellationToken);
-        Response.StatusCode = 202;
+        return NoContent();
     }
 
     [HttpPost("stopProxy")]