diff --git a/src/Acheve.TestHost/Extensions/TypeExtensions.cs b/src/Acheve.TestHost/Extensions/TypeExtensions.cs
index 6a29ed6..4bffff0 100644
--- a/src/Acheve.TestHost/Extensions/TypeExtensions.cs
+++ b/src/Acheve.TestHost/Extensions/TypeExtensions.cs
@@ -13,7 +13,8 @@ internal static bool IsPrimitiveType(this Type typeToInspect)
             || type == typeof(string)
             || type == typeof(decimal)
             || type == typeof(Guid)
-            || type.IsDateTime();
+            || type.IsDateTime()
+            || type.IsEnum;
     }
 
     internal static bool IsDateTime(this Type typeToInspect)
diff --git a/src/Acheve.TestHost/Routing/UriDiscover.cs b/src/Acheve.TestHost/Routing/UriDiscover.cs
index f9d83db..2914d12 100644
--- a/src/Acheve.TestHost/Routing/UriDiscover.cs
+++ b/src/Acheve.TestHost/Routing/UriDiscover.cs
@@ -215,7 +215,9 @@ private static TestServerAction GetTestServerAction<TController>(LambdaExpressio
             throw new InvalidOperationException($"The action selector is not a valid lambda expression");
         }
 
-        var methodCall = (MethodCallExpression)actionSelector.Body;
+        var methodCall = actionSelector.Body as MethodCallExpression;
+        if (methodCall is null)
+            methodCall = (actionSelector.Body as UnaryExpression).Operand as MethodCallExpression;
 
         var action = new TestServerAction(methodCall.Method);
         bool haveAttributeApiController = typeof(TController).GetTypeInfo().GetCustomAttribute(typeof(ApiControllerAttribute)) != null;
diff --git a/tests/UnitTests/Acheve.TestHost/Routing/Builders/ValuesV5Controller.cs b/tests/UnitTests/Acheve.TestHost/Routing/Builders/ValuesV5Controller.cs
index 05d3d09..b9412af 100644
--- a/tests/UnitTests/Acheve.TestHost/Routing/Builders/ValuesV5Controller.cs
+++ b/tests/UnitTests/Acheve.TestHost/Routing/Builders/ValuesV5Controller.cs
@@ -125,4 +125,12 @@ public ActionResult<ParamWithDifferentFroms> PostWithDifferentFroms(ParamWithDif
     [HttpPut($"{nameof(PutWithDifferentFroms)}/{{{nameof(ParamWithDifferentFroms.ParamFromRoute)}}}")]
     public ActionResult<ParamWithDifferentFroms> PutWithDifferentFroms(ParamWithDifferentFroms request)
         => Ok(request);
+
+    [HttpGet($"{nameof(GetWithEnumInRoute)}/{{request}}")]
+    public string GetWithEnumInRoute([FromRoute] SampleEnumeration request)
+        => request.ToString();
+
+    [HttpGet($"{nameof(GetWithEnumInQuery)}")]
+    public string GetWithEnumInQuery([FromQuery] SampleEnumeration request)
+        => request.ToString();
 }
diff --git a/tests/UnitTests/Acheve.TestHost/Routing/Models/SampleEnumeration.cs b/tests/UnitTests/Acheve.TestHost/Routing/Models/SampleEnumeration.cs
new file mode 100644
index 0000000..7de4b21
--- /dev/null
+++ b/tests/UnitTests/Acheve.TestHost/Routing/Models/SampleEnumeration.cs
@@ -0,0 +1,8 @@
+namespace UnitTests.Acheve.TestHost.Routing.Models;
+
+public enum SampleEnumeration
+{
+    Value1,
+    Value2,
+    Value3
+}
diff --git a/tests/UnitTests/Acheve.TestHost/Routing/TestServerExtensionsTests.cs b/tests/UnitTests/Acheve.TestHost/Routing/TestServerExtensionsTests.cs
index e319f82..e0987d7 100644
--- a/tests/UnitTests/Acheve.TestHost/Routing/TestServerExtensionsTests.cs
+++ b/tests/UnitTests/Acheve.TestHost/Routing/TestServerExtensionsTests.cs
@@ -1954,6 +1954,40 @@ public async Task Create_put_request_with_object_with_different_froms()
         content.ParamFromBody.Should().Be(model.ParamFromBody);
     }
 
+    [Fact]
+    public async Task Create_get_request_with_enum_from_query()
+    {
+        var server = new TestServerBuilder()
+            .UseDefaultStartup()
+            .Build();
+
+        var enumValue = SampleEnumeration.Value3;
+
+        var request = server.CreateHttpApiRequest<ValuesV5Controller>(controller => controller.GetWithEnumInQuery(enumValue));
+        var responseMessage = await request.GetAsync();
+
+        await responseMessage.IsSuccessStatusCodeOrThrow();
+        var response = await responseMessage.Content.ReadAsStringAsync();
+        response.Should().Be(enumValue.ToString());
+    }
+
+    [Fact]
+    public async Task Create_get_request_with_enum_from_route()
+    {
+        var server = new TestServerBuilder()
+            .UseDefaultStartup()
+            .Build();
+
+        var enumValue = SampleEnumeration.Value3;
+
+        var request = server.CreateHttpApiRequest<ValuesV5Controller>(controller => controller.GetWithEnumInRoute(enumValue));
+        var responseMessage = await request.GetAsync();
+
+        await responseMessage.IsSuccessStatusCodeOrThrow();
+        var response = await responseMessage.Content.ReadAsStringAsync();
+        response.Should().Be(enumValue.ToString());
+    }
+
     private class PrivateNonControllerClass
     {
         public int SomeAction()