diff --git a/scripts/mac_window_init/mac_window_init.gml b/scripts/mac_window_init/mac_window_init.gml
index 8b6a5e44d..706b9e1a4 100644
--- a/scripts/mac_window_init/mac_window_init.gml
+++ b/scripts/mac_window_init/mac_window_init.gml
@@ -23,6 +23,8 @@ function mac_window_init() {
 	__win_min_y = 0;
 	__win_min_w = 0;
 	__win_min_h = 0;
+	
+	ext_window_set_showborder(false);
 }
 
 function mac_window_maximize() {