diff --git a/scripts/install b/scripts/install
index a11a6d9..ca07780 100644
--- a/scripts/install
+++ b/scripts/install
@@ -96,10 +96,11 @@ logs_path="/var/log/$app"
 #=================================================
 
 db_name="$app"
-db_user="mmuser"
+db_user="$YNH_APP_INSTANCE_NAME"
 db_password=$(ynh_string_random --length=24)
 ynh_mysql_create_db "$db_name" "$db_user" "$db_password"
-ynh_app_setting_set "$app" mysqlpwd "$db_password"
+ynh_app_setting_set "$app" mysqluser "$db_user"
+ynh_app_setting_set "$app" mysqlpwd  "$db_password"
 
 #=================================================
 # CREATE USER FOR EMAIL NOTIFICATIONS
diff --git a/scripts/remove b/scripts/remove
index 349c576..8f3dfc1 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -16,7 +16,8 @@ source /usr/share/yunohost/helpers
 app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get $app domain)
 db_name="$app"
-db_user="mmuser"
+db_user=$(ynh_app_setting_get $app mysqluser)
+db_user=${db_user:-"mmuser"}
 mattermost_user="$app"
 final_path="/var/www/$app"
 data_path="/home/yunohost.app/$app"
diff --git a/scripts/restore b/scripts/restore
index a4257ce..14f9617 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -26,7 +26,8 @@ final_path="/var/www/$app"
 data_path="/home/yunohost.app/$app"
 logs_path="/var/log/$app"
 db_name="$app"
-db_user="mmuser"
+db_user=$(ynh_app_setting_get $app mysqluser)
+db_user=${db_user:-"mmuser"}
 mattermost_user="$app"
 
 #=================================================