diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 12e1ce89603b..18d088b6efdc 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -20,7 +20,7 @@ stages:
   - job:
     displayName: "Python3"
     variables:
-      DIFF_COVER_CHECK_THRESHOLD: 0
+      DIFF_COVER_CHECK_THRESHOLD: 50
       DIFF_COVER_ENABLE: 'true'
     pool:
       vmImage: ubuntu-20.04