diff --git a/tests/Transports.AspNetCore.Tests/Middleware/PostTests.cs b/tests/Transports.AspNetCore.Tests/Middleware/PostTests.cs
index b591cdbc..5b394637 100644
--- a/tests/Transports.AspNetCore.Tests/Middleware/PostTests.cs
+++ b/tests/Transports.AspNetCore.Tests/Middleware/PostTests.cs
@@ -445,7 +445,7 @@ public async Task FormUrlEncoded(bool requireCsrf, bool supplyCsrf)
     [InlineData(true)]
     public async Task FormUrlEncoded_DeserializationError(bool badRequest)
     {
-        _options.ValidationErrorsReturnBadRequest = badRequest;
+        _options2.ValidationErrorsReturnBadRequest = badRequest;
         _options2.ReadFormOnPost = true;
         var client = _server.CreateClient();
         var content = new FormUrlEncodedContent(new[] {