diff --git a/aerospace/aerospace.toml b/aerospace/aerospace.toml
index 5837327..c84a55b 100644
--- a/aerospace/aerospace.toml
+++ b/aerospace/aerospace.toml
@@ -113,7 +113,7 @@ esc = 'mode main'
 6  = 'Built-in Retina Display'
 7  = [3, 'main']
 8  = [3, 'Built-in Retina Display', 'main']
-9  = [3, 'main']
+9  = ['main']
 10 = [3, 'main']
 
 [[on-window-detected]]