diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index b2d30525c04cc36f8cc1da81b7c9b83d38635cbb..52d59d35091d405f3ee65edbaaaa304b87073a8f 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -39,7 +39,7 @@ struct mtd_info *mtd_do_chip_probe(struct map_info *map, struct chip_probe *cp)
 
 	if (mtd) {
 		if (mtd->size > map->size) {
-			printk(KERN_WARNING "Reducing visibility of %lKiB chip to %lKiB\n",
+			printk(KERN_WARNING "Reducing visibility of %ldKiB chip to %ldKiB\n",
 			       (unsigned long)mtd->size >> 10, 
 			       (unsigned long)map->size >> 10);
 			mtd->size = map->size;