diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 30b8308..5520132 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -24,7 +24,7 @@
 	loff_t offp = offset;
 	int usable_leb_size = vol->usable_leb_size;
 
-	printf("%s: %d @ 0x%08x\n", __func__, size, offset);
+	printf("%s: %d @ 0x%08lx\n", __func__, size, offset);
 
 	len = size > usable_leb_size ? usable_leb_size : size;