diff --git a/src/Squidex.Domain.Apps.Core.Operations/Scripting/JintScriptEngine.cs b/src/Squidex.Domain.Apps.Core.Operations/Scripting/JintScriptEngine.cs
index 8512ce30b..265ec3b86 100644
--- a/src/Squidex.Domain.Apps.Core.Operations/Scripting/JintScriptEngine.cs
+++ b/src/Squidex.Domain.Apps.Core.Operations/Scripting/JintScriptEngine.cs
@@ -8,6 +8,7 @@
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using Esprima;
 using Jint;
 using Jint.Native;
 using Jint.Native.Date;
@@ -121,6 +122,10 @@ namespace Squidex.Domain.Apps.Core.Scripting
             {
                 throw new ValidationException($"Failed to execute script with javascript syntax error: {ex.Message}", new ValidationError(ex.Message));
             }
+            catch (ParserException ex)
+            {
+                throw new ValidationException($"Failed to execute script with javascript error: {ex.Message}", new ValidationError(ex.Message));
+            }
             catch (JavaScriptException ex)
             {
                 throw new ValidationException($"Failed to execute script with javascript error: {ex.Message}", new ValidationError(ex.Message));
diff --git a/src/Squidex.Domain.Apps.Core.Operations/Squidex.Domain.Apps.Core.Operations.csproj b/src/Squidex.Domain.Apps.Core.Operations/Squidex.Domain.Apps.Core.Operations.csproj
index 19104863c..aeb1fc39b 100644
--- a/src/Squidex.Domain.Apps.Core.Operations/Squidex.Domain.Apps.Core.Operations.csproj
+++ b/src/Squidex.Domain.Apps.Core.Operations/Squidex.Domain.Apps.Core.Operations.csproj
@@ -15,7 +15,7 @@
     <ProjectReference Include="..\Squidex.Shared\Squidex.Shared.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Jint" Version="3.0.0-beta-1469" />
+    <PackageReference Include="Jint" Version="3.0.0-beta-1580" />
     <PackageReference Include="Microsoft.OData.Core" Version="7.5.4" />
     <PackageReference Include="NJsonSchema" Version="9.14.1" />
     <PackageReference Include="RefactoringEssentials" Version="5.6.0" PrivateAssets="all" />
diff --git a/tests/Squidex.Domain.Apps.Core.Tests/Operations/Scripting/JintScriptEngineTests.cs b/tests/Squidex.Domain.Apps.Core.Tests/Operations/Scripting/JintScriptEngineTests.cs
index ac60cd8ff..7b82c9dc6 100644
--- a/tests/Squidex.Domain.Apps.Core.Tests/Operations/Scripting/JintScriptEngineTests.cs
+++ b/tests/Squidex.Domain.Apps.Core.Tests/Operations/Scripting/JintScriptEngineTests.cs
@@ -36,7 +36,7 @@ namespace Squidex.Domain.Apps.Core.Operations.Scripting
         [Fact]
         public void Should_catch_script_syntax_errors()
         {
-            Assert.Throws<ValidationException>(() => scriptEngine.Execute(new ScriptContext(), "x => x"));
+            Assert.Throws<ValidationException>(() => scriptEngine.Execute(new ScriptContext(), "x ==> x"));
         }
 
         [Fact]
@@ -68,7 +68,7 @@ namespace Squidex.Domain.Apps.Core.Operations.Scripting
             var content = new NamedContentData();
             var context = new ScriptContext { Data = content };
 
-            Assert.Throws<ValidationException>(() => scriptEngine.ExecuteAndTransform(context, "x => x"));
+            Assert.Throws<ValidationException>(() => scriptEngine.ExecuteAndTransform(context, "x ==> x"));
         }
 
         [Fact]