diff --git a/src/WireMock.Net/Serialization/MappingConverter.cs b/src/WireMock.Net/Serialization/MappingConverter.cs
index af76ba36..7b55033c 100644
--- a/src/WireMock.Net/Serialization/MappingConverter.cs
+++ b/src/WireMock.Net/Serialization/MappingConverter.cs
@@ -1,9 +1,10 @@
 using System;
 using System.Collections.Generic;
-using System.Globalization;
 using System.Linq;
+using System.Net;
 using System.Text;
 using System.Threading;
+using Newtonsoft.Json;
 using Stef.Validation;
 using WireMock.Admin.Mappings;
 using WireMock.Constants;
@@ -125,9 +126,13 @@ internal class MappingConverter
         // Response
         sb.AppendLine("    .RespondWith(Response.Create()");
 
-        if (response.ResponseMessage.StatusCode is { } statusCode)
+        if (response.ResponseMessage.StatusCode is int or string)
         {
-            sb.AppendLine($"        .WithStatusCode({statusCode})");
+            sb.AppendLine($"        .WithStatusCode({JsonConvert.SerializeObject(response.ResponseMessage.StatusCode)})");
+        }
+        else if (response.ResponseMessage.StatusCode is HttpStatusCode httpStatusCode)
+        {
+            sb.AppendLine($"        .WithStatusCode({(int)httpStatusCode})");
         }
 
         if (response.ResponseMessage.Headers is { })
diff --git a/test/WireMock.Net.Tests/WireMockAdminApiTests.IWireMockAdminApi_GetMappingsCode.verified.txt b/test/WireMock.Net.Tests/WireMockAdminApiTests.IWireMockAdminApi_GetMappingsCode.verified.txt
index 46248e81..1f3fa24b 100644
--- a/test/WireMock.Net.Tests/WireMockAdminApiTests.IWireMockAdminApi_GetMappingsCode.verified.txt
+++ b/test/WireMock.Net.Tests/WireMockAdminApiTests.IWireMockAdminApi_GetMappingsCode.verified.txt
@@ -13,14 +13,24 @@ server
 
 server
     .Given(Request.Create()
-        .UsingMethod("GET")
+        .UsingMethod("POST")
         .WithPath("/foo2")
         .WithParam("p2", "abc")
     )
     .WithGuid("1b731398-4a5b-457f-a6e3-d65e541c428f")
     .RespondWith(Response.Create()
-        .WithStatusCode(201)
+        .WithStatusCode("201")
         .WithHeader("hk", "hv")
         .WithBody("2")
     );
 
+server
+    .Given(Request.Create()
+        .UsingMethod("DELETE")
+        .WithUrl("https://localhost/test")
+    )
+    .WithGuid("f74fd144-df53-404f-8e35-da22a640bd5f")
+    .RespondWith(Response.Create()
+        .WithStatusCode(208)
+    );
+
diff --git a/test/WireMock.Net.Tests/WireMockAdminApiTests.cs b/test/WireMock.Net.Tests/WireMockAdminApiTests.cs
index 8d794a4b..f923648a 100644
--- a/test/WireMock.Net.Tests/WireMockAdminApiTests.cs
+++ b/test/WireMock.Net.Tests/WireMockAdminApiTests.cs
@@ -2,6 +2,7 @@
 using System;
 using System.IO;
 using System.Linq;
+using System.Net;
 using System.Net.Http;
 using System.Net.Http.Headers;
 using System.Text;
@@ -717,6 +718,7 @@ public class WireMockAdminApiTests
         // Arrange
         var guid1 = Guid.Parse("90356dba-b36c-469a-a17e-669cd84f1f05");
         var guid2 = Guid.Parse("1b731398-4a5b-457f-a6e3-d65e541c428f");
+        var guid3 = Guid.Parse("f74fd144-df53-404f-8e35-da22a640bd5f");
         var server = WireMockServer.StartWithAdminInterface();
 
         server
@@ -738,21 +740,34 @@ public class WireMockAdminApiTests
                 Request.Create()
                     .WithPath("/foo2")
                     .WithParam("p2", "abc")
-                    .UsingGet()
+                    .UsingPost()
             )
             .WithGuid(guid2)
             .RespondWith(
                 Response.Create()
-                    .WithStatusCode(201)
+                    .WithStatusCode("201")
                     .WithHeader("hk", "hv")
                     .WithBody("2")
             );
 
+        server
+            .Given(
+                Request.Create()
+                    .WithUrl("https://localhost/test")
+                    .UsingDelete()
+            )
+            .WithGuid(guid3)
+            .RespondWith(
+                Response.Create()
+                    .WithStatusCode(HttpStatusCode.AlreadyReported)
+                    .WithBodyAsJson(new { x = 1 })
+            );
+
         // Act
         var api = RestClient.For<IWireMockAdminApi>(server.Url);
 
         var mappings = await api.GetMappingsAsync().ConfigureAwait(false);
-        mappings.Should().HaveCount(2);
+        mappings.Should().HaveCount(3);
 
         var code = await api.GetMappingsCodeAsync().ConfigureAwait(false);