diff --git a/backend/src/Squidex.Domain.Apps.Entities/Assets/AssetsJintExtension.cs b/backend/src/Squidex.Domain.Apps.Entities/Assets/AssetsJintExtension.cs
index d0dc654b5..9545db96a 100644
--- a/backend/src/Squidex.Domain.Apps.Entities/Assets/AssetsJintExtension.cs
+++ b/backend/src/Squidex.Domain.Apps.Entities/Assets/AssetsJintExtension.cs
@@ -6,6 +6,7 @@
 // ==========================================================================
 
 using System.Security.Claims;
+using Jint;
 using Jint.Native;
 using Jint.Runtime;
 using Jint.Runtime.Interop;
diff --git a/backend/src/Squidex.Domain.Apps.Entities/Contents/ReferencesJintExtension.cs b/backend/src/Squidex.Domain.Apps.Entities/Contents/ReferencesJintExtension.cs
index bde2be61e..0ef78c727 100644
--- a/backend/src/Squidex.Domain.Apps.Entities/Contents/ReferencesJintExtension.cs
+++ b/backend/src/Squidex.Domain.Apps.Entities/Contents/ReferencesJintExtension.cs
@@ -6,6 +6,7 @@
 // ==========================================================================
 
 using System.Security.Claims;
+using Jint;
 using Jint.Native;
 using Jint.Runtime;
 using Microsoft.Extensions.DependencyInjection;