diff --git a/dwm.c b/dwm.c
index 672a3d1..7d1978b 100644
--- a/dwm.c
+++ b/dwm.c
@@ -262,7 +262,7 @@ static void (*handler[LASTEvent]) (XEvent *) = {
 	[PropertyNotify] = propertynotify,
 	[UnmapNotify] = unmapnotify
 };
-static Atom wmatom[WMLast], netatom[NetLast];
+static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
 static int running = 1;
 static Cur *cursor[CurLast];
 static Clr **scheme;