diff --git a/drivers/dfu/dfu_nand.c b/drivers/dfu/dfu_nand.c
index 0bfdbf9..b812a3d 100644
--- a/drivers/dfu/dfu_nand.c
+++ b/drivers/dfu/dfu_nand.c
@@ -214,7 +214,7 @@
 		part = simple_strtoul(s, &s, 10);
 
 		sprintf(mtd_id, "%s%d,%d", "nand", dev, part - 1);
-		printf("using id '%s'\n", mtd_id);
+		debug("using id '%s'\n", mtd_id);
 
 		mtdparts_init();