diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index f241c8c..548b822 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -27,7 +27,7 @@ jobs:
       - name: Update Homebrew
         run: |
           brew update --preinstall
-          echo ${{ hashFiles ("$(brew --repository)") }} > .github/brew-formulae
+          echo ${{ hashFiles ('"$(brew --repository)"') }} > .github/brew-formulae
       - name: Configure Homebrew cache
         uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2 # 4.0
         with: