diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 73ffdeae63..b08949d370 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -260,7 +260,7 @@ get_cluster(fsdata *mydata, __u32 clustnum, __u8 *buffer, unsigned long size)
 	if ((unsigned long)buffer & (ARCH_DMA_MINALIGN - 1)) {
 		ALLOC_CACHE_ALIGN_BUFFER(__u8, tmpbuf, mydata->sect_size);
 
-		printf("FAT: Misaligned buffer address (%p)\n", buffer);
+		debug("FAT: Misaligned buffer address (%p)\n", buffer);
 
 		while (size >= mydata->sect_size) {
 			ret = disk_read(startsect++, 1, tmpbuf);
diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c
index 6d3d2d1abb..fc211e74bc 100644
--- a/fs/fat/fat_write.c
+++ b/fs/fat/fat_write.c
@@ -409,7 +409,7 @@ set_cluster(fsdata *mydata, __u32 clustnum, __u8 *buffer,
 	if ((unsigned long)buffer & (ARCH_DMA_MINALIGN - 1)) {
 		ALLOC_CACHE_ALIGN_BUFFER(__u8, tmpbuf, mydata->sect_size);
 
-		printf("FAT: Misaligned buffer address (%p)\n", buffer);
+		debug("FAT: Misaligned buffer address (%p)\n", buffer);
 
 		while (size >= mydata->sect_size) {
 			memcpy(tmpbuf, buffer, mydata->sect_size);