diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f56f77e..5e5ef2b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,6 +33,7 @@ jobs:
           name: daylin
           authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
       - name: Build
+        shell: bash
         run: |
           for host in "${HOSTS[@]}"
           do