diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 95df5c6..7e88c93 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -154,8 +154,8 @@ jobs:
           ARCHIVE_PATH: ${{ env.ARCHIVE_DIR }}/${{ env.ARCHIVE }}
         shell: bash
         run: |
-          echo "::debug:: length = $(echo -n $MINISIGN_KEY | wc -c)"
-          echo $MINISIGN_KEY > minisign.key
+          echo "::debug:: length = $(echo -n "$MINISIGN_KEY" | wc -c)"
+          echo "$MINISIGN_KEY" > minisign.key
           
           ts=$(node -e 'console.log((new Date).toISOString())')
           git=$(git rev-parse HEAD)