diff --git a/.github/workflows/check_pr_branch.yml b/.github/workflows/check_pr_branch.yml
index 2421422f57..11779ffa5f 100644
--- a/.github/workflows/check_pr_branch.yml
+++ b/.github/workflows/check_pr_branch.yml
@@ -7,7 +7,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
         with:
-          fetch-depth 0
+          fetch-depth: 0
 
       - name: Get PR target branch
         id: get-target-branch