302 redirected to 304

[nedim]

Hi

 

i have a problem and i not find a solution to solve this

my page /index.php?controller=404 have a status 302 and redirect to /page-introuvable with status 404

normaly we need to have 301

http://prntscr.com/opx27t

in back office configuration is good

http://prntscr.com/opx2le

 

can you help me to solve this.

 

thanks by advance