diff --git a/client.c b/client.c
index 646bcc1..7bc6772 100644
--- a/client.c
+++ b/client.c
@@ -244,11 +244,11 @@ manage(Window w, XWindowAttributes *wa)
 	c->next = clients;
 	clients = c;
 
-	XGrabButton(dpy, Button1, MODKEY, c->win, False, ButtonMask,
+	XGrabButton(dpy, Button1, MODKEY, c->win, False, BUTTONMASK,
 			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button2, MODKEY, c->win, False, ButtonMask,
+	XGrabButton(dpy, Button2, MODKEY, c->win, False, BUTTONMASK,
 			GrabModeAsync, GrabModeSync, None, None);
-	XGrabButton(dpy, Button3, MODKEY, c->win, False, ButtonMask,
+	XGrabButton(dpy, Button3, MODKEY, c->win, False, BUTTONMASK,
 			GrabModeAsync, GrabModeSync, None, None);
 
 	if(!c->isfloat)
diff --git a/config.mk b/config.mk
index d65472e..b3c8cf7 100644
--- a/config.mk
+++ b/config.mk
@@ -11,17 +11,17 @@ X11LIB = /usr/X11R6/lib
 INCS = -I/usr/lib -I${X11INC}
 LIBS = -L/usr/lib -lc -L${X11LIB} -lX11
 
-# flags
-CFLAGS = -O3 ${INCS} -DVERSION=\"${VERSION}\" -DCONFIG=\"${CONFIG}\"
-LDFLAGS = ${LIBS}
-#CFLAGS = -g -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\" -DCONFIG=\"${CONFIGH}\"
-#LDFLAGS = -g ${LIBS}
-
-# compiler
-CC = cc
-
 # dwm version
 VERSION = 0.6
 
 # default config.h
 CONFIG = config.h
+
+# flags
+CFLAGS = -O3 ${INCS} -DVERSION=\"${VERSION}\" -DCONFIG=\"${CONFIG}\"
+LDFLAGS = ${LIBS}
+#CFLAGS = -g -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\" -DCONFIG=\"${CONFIG}\"
+#LDFLAGS = -g ${LIBS}
+
+# compiler
+CC = cc
diff --git a/dwm.h b/dwm.h
index f7bebb0..f57a8ce 100644
--- a/dwm.h
+++ b/dwm.h
@@ -7,8 +7,8 @@
 #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)
 
 typedef union Arg Arg;
 typedef struct Client Client;
diff --git a/event.c b/event.c
index 967be91..99216b3 100644
--- a/event.c
+++ b/event.c
@@ -32,12 +32,12 @@ movemouse(Client *c)
 
 	ocx = c->x;
 	ocy = c->y;
-	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
+	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 			None, cursor[CurMove], CurrentTime) != GrabSuccess)
 		return;
 	XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
 	for(;;) {
-		XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
+		XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
 		switch (ev.type) {
 		default: break;
 		case Expose:
@@ -65,12 +65,12 @@ resizemouse(Client *c)
 
 	ocx = c->x;
 	ocy = c->y;
-	if(XGrabPointer(dpy, root, False, MouseMask, GrabModeAsync, GrabModeAsync,
+	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 				None, cursor[CurResize], CurrentTime) != GrabSuccess)
 		return;
 	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h);
 	for(;;) {
-		XMaskEvent(dpy, MouseMask | ExposureMask, &ev);
+		XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev);
 		switch(ev.type) {
 		default: break;
 		case Expose: