diff --git a/.github/workflows/pull_request.yaml b/.github/workflows/pull_request.yaml
index cc14d3a..ef5b76d 100644
--- a/.github/workflows/pull_request.yaml
+++ b/.github/workflows/pull_request.yaml
@@ -6,6 +6,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: create pull request
-        run: gh pr create -B main --title 'Merge branch_to_merge into base_branch' --body 'Created by Github action'
+        run: gh pr create --title 'Merge branch_to_merge into base_branch' --body 'Created by Github action'
         env:
             GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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