diff --git a/Abc.MoqComplete/Abc.MoqComplete/Zone.cs b/Abc.MoqComplete/Abc.MoqComplete/Zone.cs
index 8f2815f..d9fc4fc 100644
--- a/Abc.MoqComplete/Abc.MoqComplete/Zone.cs
+++ b/Abc.MoqComplete/Abc.MoqComplete/Zone.cs
@@ -1,8 +1,10 @@
 using JetBrains.Application.BuildScript.Application.Zones;
+using JetBrains.ReSharper.Psi.CSharp;
 
 namespace Abc.MoqComplete
 {
     [ZoneMarker]
-    public sealed class ZoneMarker
-    { }
+    public sealed class ZoneMarker : IRequire<ILanguageCSharpZone>
+    {
+    }
 }