diff --git a/.github/workflows/config.yml b/.github/workflows/config.yml
index 9abc25f1..08af2f33 100644
--- a/.github/workflows/config.yml
+++ b/.github/workflows/config.yml
@@ -43,6 +43,7 @@ jobs:
 
       - name: Check repo for commits
         id:   repo-meta
+        shell: bash
         run:  'echo ::set-output name=has-commits::$(./scripts/has-commits-since.sh "24 hours ago")'
 
       - name:  Get Date