diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 6173d43..f97960d 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -27,7 +27,8 @@ stages:
       inputs:
         targetType: 'inline'
         script: |
-          $diffResult = git diff --name-only HEAD~1 HEAD
+          git fetch origin $(Build.SourceBranchName) $(Build.Repository.DefaultBranch)
+          $diffResult = git diff --name-only origin/$(Build.Repository.DefaultBranch)...HEAD
           $folderFound = $false
           if ([string]::IsNullOrWhiteSpace($diffResult)) {
               Write-Host "No diff results found."