diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 0ddfd6d..5fac4c4 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -473,7 +473,7 @@
 	ecc_code[1] = ecc >> 8;
 	ecc_code[2] = ecc >> 16;
 
-	pr_debug("%s: returning ecc %06x\n", __func__, ecc);
+	pr_debug("%s: returning ecc %06lx\n", __func__, ecc);
 
 	return 0;
 }