diff --git a/azure-pipelines-official.yml b/azure-pipelines-official.yml
index 276d11dbe0953a9ba2c9398de5f87f0c6abe8338..e0e1613251a6fe91ca0e6830057e85b0223fe036 100644
--- a/azure-pipelines-official.yml
+++ b/azure-pipelines-official.yml
@@ -49,7 +49,9 @@ stages:
       displayName: Tag PR validation build
       inputs:
         type: 'Build'
-        tags: 'PRValidationBuild'
+        tags: |
+          'PRValidationBuild'
+          'PRNumber:$(PRNumber)'
       condition: and(succeeded(), ne(variables['PRNumber'], 'default'))
 
     - task: PowerShell@2