Mysecureshell binary has wrong permission

After fresh install, users with mysecureshell as shell can't login get an exit code 14

sftp-verif show that the binary has the wrong permissions

root@scp:/etc/ssh# sftp-verif

################################################################################
                        MySecureShell Verification Tool
################################################################################

### Verifing file existance ###

/usr/bin/mysecureshell [ OK ]
/usr/bin/sftp-who [ OK ]
/usr/bin/sftp-kill [ OK ]
/usr/bin/sftp-state [ OK ]
/usr/bin/sftp-admin [ OK ]
/usr/bin/sftp-verif [ OK ]
/usr/bin/sftp-user [ OK ]

### Verifing /etc/shells ###

/etc/shells contains /usr/bin/mysecureshell [ OK ]

### Verifing rights ###

Verifing file rights of /etc/ssh/sftp_config [ OK ]
Verifing file rights of /usr/bin/sftp-who [ OK ]
Verifing file rights of /usr/bin/sftp-verif [ OK ]
Verifing file rights of /usr/bin/sftp-user [ OK ]
Verifing file rights of /usr/bin/sftp-kill [ OK ]
Verifing file rights of /usr/bin/sftp-state [ OK ]
Verifing file rights of /usr/bin/sftp-admin [ OK ]
Verifing file rights of /usr/bin/mysecureshell [ FAILED ]
Rights problems have been detected 0755 and should be 4755
Do you want to repair /usr/bin/mysecureshell file rights ? (Y/n)
y
Good rights (4755) reseted on /usr/bin/mysecureshell file [ OK ]

### Verifing rotation logs ###

Rotation logs have been found [ OK ]

### Verifing server status ###

Verifing server status (ONLINE) [ OK ]

### Verifing server dependencies ###

Show only error(s) :

### Verifing server configuration ###

Show only error(s) :
Trying user: root

### All tests dones ###

root@scp:/etc/ssh# lsb_release -rd
Description: Ubuntu 20.04.1 LTS
Release: 20.04
root@scp:/etc/ssh#

root@scp:/etc/ssh# apt-cache policy mysecureshell
mysecureshell:
  Installed: 2.0-2build1
  Candidate: 2.0-2build1
  Version table:
 *** 2.0-2build1 500
        500 http://nl.archive.ubuntu.com/ubuntu focal/universe amd64 Packages
        100 /var/lib/dpkg/status
     1.31 500
        500 https://www.hobby.nl/repo focal/main amd64 Packages