diff --git a/.github/workflows/onpr_automerge.yaml b/.github/workflows/onpr_automerge.yaml
index 1ba10d18d..ed3080adf 100644
--- a/.github/workflows/onpr_automerge.yaml
+++ b/.github/workflows/onpr_automerge.yaml
@@ -4,7 +4,7 @@
 name: Check PR Build
 on:
   pull_request:
-    types: [opened, edited]
+    types: [labeled]
     branches:
       - master