diff --git a/.github/workflows/application-signals-e2e-test.yml b/.github/workflows/application-signals-e2e-test.yml
index 2c61979..314954c 100644
--- a/.github/workflows/application-signals-e2e-test.yml
+++ b/.github/workflows/application-signals-e2e-test.yml
@@ -74,6 +74,7 @@ jobs:
         run: |
           shortsha="$(git rev-parse --short HEAD)"
           echo "SHORT_SHA=$shortsha" >> $GITHUB_OUTPUT
+        shell: bash
   
       - name: Configure AWS credentials for private ECR
         uses: aws-actions/configure-aws-credentials@v4