diff --git a/.github/workflows/ci.py b/.github/workflows/ci.py
index 2ac14383a..d9e8ce771 100644
--- a/.github/workflows/ci.py
+++ b/.github/workflows/ci.py
@@ -134,10 +134,10 @@ def install_deps() -> None:
 def build_kitty() -> None:
     python = shutil.which('python3') if is_bundle else sys.executable
     cmd = f'{python} setup.py build --verbose'
-    if is_macos:
-        cmd += ' --debug'  # for better crash report to debug SIGILL issue
     if os.environ.get('KITTY_SANITIZE') == '1':
         cmd += ' --debug --sanitize'
+    elif is_macos:
+        cmd += ' --debug'  # for better crash report to debug SIGILL issue
     run(cmd)