1 files changed, 3 insertions, 2 deletions
diff --git a/dwm.h b/dwm.h
index f57a8ce..9b34210 100644
--- a/dwm.h
+++ b/dwm.h
@@ -7,8 +7,9 @@
 #include CONFIG
 
 /* mask shorthands, used in event.c and client.c */
-#define BUTTONMASK	(ButtonPressMask | ButtonReleaseMask)
-#define MOUSEMASK	(BUTTONMASK | PointerMotionMask)
+#define BUTTONMASK		(ButtonPressMask | ButtonReleaseMask)
+#define MOUSEMASK		(BUTTONMASK | PointerMotionMask)
+#define WM_PROTOCOL_DELWIN	1
 
 typedef union Arg Arg;
 typedef struct Client Client;