diff --git a/Service.EDMIService/IEDMIService.vb b/Service.EDMIService/IEDMIService.vb
index 0431c6fe..e15fe05f 100644
--- a/Service.EDMIService/IEDMIService.vb
+++ b/Service.EDMIService/IEDMIService.vb
@@ -51,6 +51,7 @@ Interface IEDMIService
 #End Region
 
 #Region "Access Rights"
+    <OperationContract>
     Function GetAccessRight(UserId As Long, ObjectId As Long) As AccessRightResult
 #End Region