diff -uNr u-boot-2012.04.01.orig/fs/fat/fat.c u-boot-2012.04.01/fs/fat/fat.c
--- u-boot-2012.04.01.orig/fs/fat/fat.c	2012-04-25 08:22:50.000000000 -0500
+++ u-boot-2012.04.01/fs/fat/fat.c	2012-06-19 14:06:16.605337811 -0500
@@ -90,7 +90,7 @@
 	/* Check for FAT12/FAT16/FAT32 filesystem */
 	if (!memcmp(buffer + DOS_FS_TYPE_OFFSET, "FAT", 3))
 		return 0;
-	if (!memcmp(buffer + DOS_FS32_TYPE_OFFSET, "FAT32", 5))
+	if (!memcmp(buffer + DOS_FS32_TYPE_OFFSET, "FAT", 3))
 		return 0;
 
 	cur_dev = NULL;