diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 6147cdd..0c776e7 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -23,7 +23,8 @@ jobs:
     steps:
     - name: Set environment variable
       run: |
-        my_hash={${{ github.sha }}:0:7}
+        sha = ${{ github.sha }}
+        my_hash=${sha:0:7}
         echo "MY_SHA_TRIM=$my_hash" >> $GITHUB_ENV
     
     - uses: actions/checkout@v4