diff --git a/scripts/install b/scripts/install
index eb6fc13..2020f7f 100644
--- a/scripts/install
+++ b/scripts/install
@@ -130,7 +130,7 @@ systemctl reload nginx
 # Change options in file config.dist.php
 # and copy in local.dist.php
 #=================================================
-key=$(ynh_string_random --length=8)
+key=$(ynh_string_random --length=64)
 cp -a $final_path/config.dist.php $final_path/config.local.php
 
 ynh_replace_string --match_string="//const WWW_URI = '/asso/';" --replace_string="const WWW_URI = '$path_url/';" --target_file="$final_path/config.local.php"