diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 501df8c..7be06fb 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Set environment variable
-      run: my_hash = {${{ github.sha }}:0:7} && echo "MY_SHA_TRIM=" + my_hash >> $GITHUB_ENV
+      run: $my_hash = {${{ github.sha }}:0:7} && echo "MY_SHA_TRIM=$my_hash"  >> $GITHUB_ENV
     
     - uses: actions/checkout@v4
     - name: Set up JDK 21