Fix

src/WireMock.Net/Owin/Mappers/OwinRequestMapper.cs

@@ -68,7 +68,7 @@ namespace WireMock.Owin.Mappers
                 body = await BodyParser.ParseAsync(bodyParserSettings).ConfigureAwait(false);
             }
 
-            return new RequestMessage(urlDetails, method, clientIP, body, headers, cookies) { DateTime = DateTime.UtcNow };
+            return new RequestMessage(options, urlDetails, method, clientIP, body, headers, cookies) { DateTime = DateTime.UtcNow };
         }
 
         private static (UrlDetails UrlDetails, string ClientIP) ParseRequest(IRequest request)

test/WireMock.Net.Tests/WireMockServerTests.WithParam.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Net;
+using System.Threading.Tasks;
+using FluentAssertions;
+using WireMock.RequestBuilders;
+using WireMock.ResponseBuilders;
+using WireMock.Server;
+using WireMock.Settings;
+using WireMock.Types;
+using Xunit;
+
+namespace WireMock.Net.Tests;
+
+public partial class WireMockServerTests
+{
+
+
+    [Fact]
+    public async Task WireMockServer_WithParam_QueryParameterMultipleValueSupport_NoComma_Should_Ignore_Comma()
+    {
+        // Arrange
+        var queryValue = "SELECT id, value FROM table WHERE id = 1";
+        var settings = new WireMockServerSettings
+        {
+            QueryParameterMultipleValueSupport = QueryParameterMultipleValueSupport.NoComma
+        };
+        var server = WireMockServer.Start(settings);
+        server.Given(
+                Request.Create()
+                    .UsingGet()
+                    .WithPath("/foo")
+                    .WithParam("query", queryValue)
+            )
+            .RespondWith(
+                Response.Create().WithStatusCode(200)
+            );
+
+        // Act
+        var requestUri = new Uri($"http://localhost:{server.Port}/foo?query={queryValue}");
+        var response = await server.CreateClient().GetAsync(requestUri).ConfigureAwait(false);
+
+        // Assert
+        response.StatusCode.Should().Be(HttpStatusCode.OK);
+
+        server.Stop();
+    }
+}