diff --git a/.workflow/pipeline-build-pr-20220902.yml b/.workflow/pipeline-build-pr-20220902.yml
index 0d7005b..e92bde1 100644
--- a/.workflow/pipeline-build-pr-20220902.yml
+++ b/.workflow/pipeline-build-pr-20220902.yml
@@ -3,7 +3,7 @@ name: pipeline-build-pr-20220902
 displayName: pipeline-build-pr
 triggers:
   trigger: auto
-  push:
+  pr:
     branches:
       prefix:
         - ''