diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 5ddaf8625d3b7a1ab3d0128a91dbd3b84b8b9b0b..881b3bd0143faf9e1b492f64d752f16846fea66d 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -247,7 +247,7 @@ static int isofs_dentry_cmp_common(
 	}
 	if (alen == blen) {
 		if (ci) {
-			if (strnicmp(name->name, str, alen) == 0)
+			if (strncasecmp(name->name, str, alen) == 0)
 				return 0;
 		} else {
 			if (strncmp(name->name, str, alen) == 0)