diff --git a/src/devices/screen.c b/src/devices/screen.c
index 7dc3c15..82decd4 100644
--- a/src/devices/screen.c
+++ b/src/devices/screen.c
@@ -75,7 +75,7 @@ screen_resize(UxnScreen *p, Uint16 width, Uint16 height)
 		return;
 	bg = realloc(p->bg.pixels, width * height),
 	fg = realloc(p->fg.pixels, width * height);
-	pixels = realloc(p->pixels, width * height * sizeof(Uint32) * ZOOM * ZOOM);
+	pixels = realloc(p->pixels, width * height * sizeof(Uint32) * SCALE * SCALE);
 	if(!bg || !fg || !pixels)
 		return;
 	p->bg.pixels = bg;
@@ -91,12 +91,12 @@ void
 screen_redraw(UxnScreen *p)
 {
 	Uint8 *fg = p->fg.pixels, *bg = p->bg.pixels;
-	Uint32 i, j, x, y, w = p->width * ZOOM, h = p->height * ZOOM, palette[16], *pixels = p->pixels;
+	Uint32 i, j, x, y, w = p->width * SCALE, h = p->height * SCALE, palette[16], *pixels = p->pixels;
 	for(i = 0; i < 16; i++)
 		palette[i] = p->palette[(i >> 2) ? (i >> 2) : (i & 3)];
 	for(y = 0; y < h; y++)
 		for(x = 0; x < w; x++) {
-			j = ((x / ZOOM) + (y / ZOOM) * p->width);
+			j = ((x / SCALE) + (y / SCALE) * p->width);
 			pixels[x + y * w] = palette[fg[j] << 2 | bg[j]];
 		}
 	p->fg.changed = p->bg.changed = 0;
diff --git a/src/devices/screen.h b/src/devices/screen.h
index 4fd7193..a6d4543 100644
--- a/src/devices/screen.h
+++ b/src/devices/screen.h
@@ -10,7 +10,7 @@ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 WITH REGARD TO THIS SOFTWARE.
 */
 
-#define ZOOM 2
+#define SCALE 2
 
 typedef struct Layer {
 	Uint8 *pixels, changed;
diff --git a/src/uxn11.c b/src/uxn11.c
index 4668a75..0df27ea 100644
--- a/src/uxn11.c
+++ b/src/uxn11.c
@@ -72,7 +72,7 @@ static void
 emu_draw(void)
 {
 	screen_redraw(&uxn_screen);
-	XPutImage(display, window, DefaultGC(display, 0), ximage, 0, 0, PAD, PAD, uxn_screen.width * ZOOM, uxn_screen.height * ZOOM);
+	XPutImage(display, window, DefaultGC(display, 0), ximage, 0, 0, PAD, PAD, uxn_screen.width * SCALE, uxn_screen.height * SCALE);
 }
 
 static int
@@ -166,7 +166,7 @@ emu_event(Uxn *u)
 	} break;
 	case MotionNotify: {
 		XMotionEvent *e = (XMotionEvent *)&ev;
-		mouse_pos(u, &u->dev[0x90], (e->x - PAD) / ZOOM, (e->y - PAD) / ZOOM);
+		mouse_pos(u, &u->dev[0x90], (e->x - PAD) / SCALE, (e->y - PAD) / SCALE);
 	} break;
 	}
 }
@@ -177,7 +177,7 @@ display_start(char *title)
 	Atom wmDelete;
 	display = XOpenDisplay(NULL);
 	visual = DefaultVisual(display, 0);
-	window = XCreateSimpleWindow(display, RootWindow(display, 0), 0, 0, uxn_screen.width * ZOOM + PAD * 2, uxn_screen.height * ZOOM + PAD * 2, 1, 0, 0);
+	window = XCreateSimpleWindow(display, RootWindow(display, 0), 0, 0, uxn_screen.width * SCALE + PAD * 2, uxn_screen.height * SCALE + PAD * 2, 1, 0, 0);
 	if(visual->class != TrueColor)
 		return system_error("init", "True-color visual failed");
 	XSelectInput(display, window, ButtonPressMask | ButtonReleaseMask | PointerMotionMask | ExposureMask | KeyPressMask | KeyReleaseMask);
@@ -185,7 +185,7 @@ display_start(char *title)
 	XSetWMProtocols(display, window, &wmDelete, 1);
 	XStoreName(display, window, title);
 	XMapWindow(display, window);
-	ximage = XCreateImage(display, visual, DefaultDepth(display, DefaultScreen(display)), ZPixmap, 0, (char *)uxn_screen.pixels, uxn_screen.width * ZOOM, uxn_screen.height * ZOOM, 32, 0);
+	ximage = XCreateImage(display, visual, DefaultDepth(display, DefaultScreen(display)), ZPixmap, 0, (char *)uxn_screen.pixels, uxn_screen.width * SCALE, uxn_screen.height * SCALE, 32, 0);
 	hide_cursor();
 	return 1;
 }