diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c
index db18474607c9c9c701353b8c347baf3e39c5ba63..09b0e558dce81d7eea45f4f38fd148e70341837f 100644
--- a/drivers/video/fbdev/aty/aty128fb.c
+++ b/drivers/video/fbdev/aty/aty128fb.c
@@ -1716,7 +1716,7 @@ static int aty128fb_setup(char *options)
 			continue;
 		}
 		if(!strncmp(this_opt, "nomtrr", 6)) {
-			mtrr = 0;
+			mtrr = false;
 			continue;
 		}
 #ifdef CONFIG_PPC_PMAC