diff --git a/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/Internal/EnumToStringConverter.cs b/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/Internal/EnumToStringConverter.cs
new file mode 100644
index 000000000..7a2e16d39
--- /dev/null
+++ b/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/Internal/EnumToStringConverter.cs
@@ -0,0 +1,34 @@
+// ==========================================================================
+//  Squidex Headless CMS
+// ==========================================================================
+//  Copyright (c) Squidex UG (haftungsbeschraenkt)
+//  All rights reserved. Licensed under the MIT license.
+// ==========================================================================
+
+using System.Diagnostics.CodeAnalysis;
+using Jint;
+using Jint.Native;
+using Jint.Runtime.Interop;
+
+namespace Squidex.Domain.Apps.Core.Scripting.Internal;
+
+internal sealed class EnumToStringConverter : IObjectConverter
+{
+    public static readonly EnumToStringConverter Instance = new EnumToStringConverter();
+
+    private EnumToStringConverter()
+    {
+    }
+
+    public bool TryConvert(Engine engine, object value, [MaybeNullWhen(false)] out JsValue result)
+    {
+        if (value is Enum)
+        {
+            result = value.ToString();
+            return true;
+        }
+
+        result = JsValue.Null;
+        return false;
+    }
+}
diff --git a/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/JintScript.cs b/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/JintScript.cs
index c7fc8f791..48e1d9267 100644
--- a/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/JintScript.cs
+++ b/backend/src/Squidex.Domain.Apps.Core.Operations/Scripting/JintScript.cs
@@ -54,8 +54,8 @@ internal sealed class JintScript : IScript, IAsyncScript, IDisposable
 
         engine = new Engine(options =>
         {
-            options.AddObjectConverter(JintObjectConverter.Instance);
-            options.AllowOperatorOverloading();
+            options.AddObjectConverter(JintObjectConverter.Instance, JintObjectConverter.HandledTypes);
+            options.AddObjectConverter(EnumToStringConverter.Instance);
             options.AllowClrWrite(!scriptOptions.Readonly);
             options.SetTypeConverter(engine => new CustomClrConverter(engine));
             options.SetReferencesResolver(NullPropagation.Instance);
diff --git a/backend/tests/Squidex.Domain.Apps.Entities.Tests/Rules/RuleEnqueuerTests.cs b/backend/tests/Squidex.Domain.Apps.Entities.Tests/Rules/RuleEnqueuerTests.cs
index 882833246..193839487 100644
--- a/backend/tests/Squidex.Domain.Apps.Entities.Tests/Rules/RuleEnqueuerTests.cs
+++ b/backend/tests/Squidex.Domain.Apps.Entities.Tests/Rules/RuleEnqueuerTests.cs
@@ -398,7 +398,6 @@ public class RuleEnqueuerTests : GivenContext
         Assert.Same(contexts[2].Context.Rules, contexts[3].Context.Rules);
     }
 
-
     private static RulesContext MatchingContext(Rule rule)
     {
         // These two properties must not be set to true for performance reasons.