diff --git a/aegisub/src/libosxutil/launch.c b/aegisub/src/libosxutil/launch.c
index bfdddd731..16b979520 100644
--- a/aegisub/src/libosxutil/launch.c
+++ b/aegisub/src/libosxutil/launch.c
@@ -1,4 +1,4 @@
-#include <LSOpen.h>
+#include <ApplicationServices/ApplicationServices.h>
 #include "libosxutil.h"
 
 void OSX_OpenLocation (const char *location) {