diff --git a/.github/workflows/macos-universal-release-build.yml b/.github/workflows/macos-universal-release-build.yml
index 97031b235..6e7f4bf3d 100644
--- a/.github/workflows/macos-universal-release-build.yml
+++ b/.github/workflows/macos-universal-release-build.yml
@@ -131,6 +131,7 @@ jobs:
 
       - name: Extract .app from dmg
         run: |
+          set -ex
           hdiutil attach ./obj-x86_64-apple-darwin/dist/zen.macos-x86_64.dmg
           ls -la /Volumes
           ls -la "/Volumes/${{ env.APP_NAME }}"