diff --git a/server/services/sqlServer/querys/notifications/blocking.ts b/server/services/sqlServer/querys/notifications/blocking.ts
index bc71846..a1f5676 100644
--- a/server/services/sqlServer/querys/notifications/blocking.ts
+++ b/server/services/sqlServer/querys/notifications/blocking.ts
@@ -1,5 +1,5 @@
 export const blockQuery = `
-SELECT 
+SELECT TOP(1)
 'Alert! new blocking order: #' + cast(HumanReadableId as varchar) + ' - ' + ArticleVariantDescription as subject,
 cast([HumanReadableId] as varchar) as blockingNumber,
 [ArticleVariantDescription] as article,
@@ -41,5 +41,6 @@ on  [test1_AlplaPROD2.0_Reporting].[reporting_blocking].[BlockingOrder].Producti
 
 where [test1_AlplaPROD2.0_Reporting].[reporting_blocking].[BlockingOrder].[BlockingDate] between getdate() - 1 and getdate() + 1 
 and [test1_AlplaPROD2.0_Reporting].[reporting_blocking].[BlockingOrder].BlockingTrigger = 1 
-and HumanReadableId NOT IN ([sentBlockingOrders])
+--and HumanReadableId NOT IN ([sentBlockingOrders])
+and HumanReadableId > [lastBlocking]
 `;