diff --git a/.github/workflows/release-update-metadata.yaml b/.github/workflows/release-update-metadata.yaml
index d0068cbad..e031977c2 100644
--- a/.github/workflows/release-update-metadata.yaml
+++ b/.github/workflows/release-update-metadata.yaml
@@ -5,18 +5,17 @@ concurrency:
 
 on:
   pull_request:
-    types:
-      - opened
-      - synchronize
     branches:
-      - release-please--branches--main--components-*
+      - main
 
 jobs:
   getChangedChart:
+    if: startsWith(github.head_ref, 'release-please--branches--main--components--')
     uses: ./.github/workflows/get-changed-chart.yaml
     with:
       pr_number: ${{ github.event.pull_request.number }}
   update-metadata-files:
+    if: startsWith(github.head_ref, 'release-please--branches--main--components--')
     runs-on: ubuntu-latest
     needs: getChangedChart
     name: update metadata file for release
@@ -25,12 +24,13 @@ jobs:
       CHART: ${{ needs.getChangedChart.outputs.chart }}
     steps:
       - name: Validate changed chart
-        if: ${{ needs.getChangedChart.outputs.found == 'true' }}
+        if: ${{ needs.getChangedChart.outputs.found != 'true' }}
         run: |
           echo 'No chart has been changed?' >&2
           exit 1
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
         with:
+          ref: ${{ github.event.pull_request.head.ref }}
           fetch-depth: 0
           token: ${{ secrets.ACTIONS_BOT_TOKEN }}