diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index aae3b4e1057d..98ae804f5273 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -522,7 +522,7 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
 		op = &outname[*outlen * sizeof(wchar_t)];
 	} else {
 		for (i = 0, ip = name, op = outname, *outlen = 0;
-			 i < len && *outlen <= FAT_LFN_LEN;
+			 i < len && *outlen < FAT_LFN_LEN;
 			 *outlen += 1) {
 			if (escape && (*ip == ':')) {
 				if (i > len - 5)