diff --git a/scripts/fix-casks.sh b/scripts/fix-casks.sh
index c494853..d06bdb3 100755
--- a/scripts/fix-casks.sh
+++ b/scripts/fix-casks.sh
@@ -4,5 +4,5 @@
 set -euo pipefail
 
 for cask in Casks/*.rb; do
-  perl -0pi -e 's|  postflight do\n    if OS\.mac\?\n      system_command "/usr/bin/xattr",\n\s+args: \["-dr", "com\.apple\.quarantine", "#\{staged_path\}/([\w-]+)"\]\n    end\n  end\n|  postflight_steps do\n    on_macos do\n      run "/usr/bin/xattr", args: ["-dr", "com.apple.quarantine", "{{staged_path}}/$1"]\n    end\n  end\n|' "$cask"
+  perl -0pi -e 's|  postflight do\n    if OS\.mac\?\n      system_command "/usr/bin/xattr",\n\s+args: \["-dr", "com\.apple\.quarantine", "#\{staged_path\}/([\w-]+)"\]\n    end\n  end\n|  postflight_steps do\n    on_macos do\n      run "/usr/bin/xattr", args: ["-dr", "com.apple.quarantine", "{{staged_path}}/$1"]\n    end\n  end\n|' "${cask}"
 done