diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index 0d202d68a..d9f9e5684 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -15,7 +15,8 @@ jobs:
   triage:
     runs-on: ubuntu-latest
     env:
-      NUMBER: ${{ github.event.issue.number }}
+      ISSUE_NUMBER: ${{ github.event.issue.number }}
+      PR_NUMBER: ${{ github.event.pull_request.number }}
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
     - name: Get token
@@ -29,7 +30,9 @@ jobs:
             "members": "read"
           }
     - name: Add agent-python label
-      run: gh issue edit "$NUMBER" --add-label "agent-python"
+      run: |
+        test -n "$ISSUE_NUMBER" && gh issue edit "$ISSUE_NUMBER" --add-label "agent-python"
+        test -n "$PR_NUMBER" && gh pr edit "$PR_NUMBER" --add-label "agent-python"
     - id: is_elastic_member
       uses: elastic/oblt-actions/github/is-member-of@v1
       with:
@@ -38,4 +41,6 @@ jobs:
         github-token: ${{ steps.get_token.outputs.token }}
     - name: Add community and triage labels
       if: contains(steps.is_elastic_member.outputs.result, 'false') && github.actor != 'dependabot[bot]' && github.actor != 'elastic-observability-automation[bot]'
-      run: gh issue edit "$NUMBER" --add-label "community,triage"
+      run: |
+        test -n "$ISSUE_NUMBER" && gh issue edit "$ISSUE_NUMBER" --add-label "community,triage"
+        test -n "$PR_NUMBER" && gh pr edit "$PR_NUMBER" --add-label "community,triage"