diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 109eb54..ab12f52 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -9,7 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: set env variable
-        run: echo "$(git rev-parse --short HEAD)" >> ${{ vars.GIT_SHA_SHORT }}
+        run: echo "$(git rev-parse --short HEAD)" > ${{ vars.GIT_SHA_SHORT }}
   process:
     runs-on: ubuntu-latest
     steps: