Index: uspace/srv/fs/minixfs/mfs_dentry.c
===================================================================
--- uspace/srv/fs/minixfs/mfs_dentry.c	(revision eefb653bf7b670cd7e1f74f02741b5933109292f)
+++ uspace/srv/fs/minixfs/mfs_dentry.c	(revision 7a2be0061cbaa2c533c94b3b88bb589e5000340e)
@@ -168,5 +168,8 @@
 		on_error(r, return r);
 
-		if (!bcmp(d_info.d_name, d_name, name_len)) {
+		const size_t d_name_len = str_size(d_info.d_name);
+
+		if (name_len == d_name_len &&
+				!bcmp(d_info.d_name, d_name, name_len)) {
 			d_info.d_inum = 0;
 			r = write_dentry(&d_info);