diff --git a/.github/workflows/build_containers.yaml b/.github/workflows/build_containers.yaml
index 5c67897..53fc759 100644
--- a/.github/workflows/build_containers.yaml
+++ b/.github/workflows/build_containers.yaml
@@ -235,9 +235,10 @@ jobs:
             type=raw,value={{branch}}
 
       - name: Create manifest list and push
+        shell: bash
         run: |
           # Prepare tags
-          TAGS=$(echo '${{ steps.meta2.outputs.tags }}' | tr '\n' ' ' | sed 's/ *$//')
+          TAGS=$(printf "%s" '${{ steps.meta2.outputs.tags }}' | tr '\n' ' ' | sed 's/ *$//')
           TAG_ARGS=""
           for tag in $TAGS; do
             TAG_ARGS="$TAG_ARGS -t $tag"