diff --git a/scripts/backup b/scripts/backup
index 960f48a..b323afd 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -31,7 +31,9 @@ app=$YNH_APP_INSTANCE_NAME
 final_path=$(ynh_app_setting_get $app final_path)
 domain=$(ynh_app_setting_get $app domain)
 db_name=$(ynh_app_setting_get $app db_name)
-db_user=$(ynh_app_setting_get $app db_user)
+# it is recommended to have db_user=db_name
+# if you made an other choice, you can assign db_user with `db_user=$(ynh_app_setting_get $app db_user)`
+db_user=db_name 
 
 #=================================================
 # STANDARD BACKUP STEPS
diff --git a/scripts/change_url b/scripts/change_url
index 50efb53..f17bf60 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -31,7 +31,9 @@ final_path=$(ynh_app_setting_get $app final_path)
 
 # Add settings here as needed by your application
 #db_name=$(ynh_app_setting_get "$app" db_name)
-#db_user=$(ynh_app_setting_get "$app" db_user)
+# it is recommended to have db_user=db_name
+# if you made an other choice, you can assign db_user with `db_user=$(ynh_app_setting_get $app db_user)`
+#db_user=db_name 
 #db_pwd=$(ynh_app_setting_get $app db_pwd)
 
 #=================================================
diff --git a/scripts/install b/scripts/install
index ad0f7e8..9e0d067 100755
--- a/scripts/install
+++ b/scripts/install
@@ -117,8 +117,9 @@ ynh_print_info "Creating a MySQL database..."
 ###		- As well as the section "RESTORE THE MYSQL DATABASE" in the restore script
 
 db_name=$(ynh_sanitize_dbid $app)
+# it is recommended to have db_user=db_name
+# if you made an other choice, you can set db_user with `ynh_app_setting_set $app db_user $db_user`
 db_user=$db_name
-ynh_app_setting_set $app db_user $db_user
 ynh_app_setting_set $app db_name $db_name
 ynh_mysql_setup_db $db_user $db_name
 
diff --git a/scripts/remove b/scripts/remove
index 7b28bc3..ea3d4d3 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -19,7 +19,9 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get $app domain)
 port=$(ynh_app_setting_get $app port)
 db_name=$(ynh_app_setting_get $app db_name)
-db_user=$(ynh_app_setting_get $app db_user)
+# it is recommended to have db_user=db_name
+# if you made an other choice, you can assign db_user with `db_user=$(ynh_app_setting_get $app db_user)`
+db_user=db_name 
 final_path=$(ynh_app_setting_get $app final_path)
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index abab1bc..7213bc7 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -32,7 +32,9 @@ domain=$(ynh_app_setting_get $app domain)
 path_url=$(ynh_app_setting_get $app path)
 final_path=$(ynh_app_setting_get $app final_path)
 db_name=$(ynh_app_setting_get $app db_name)
-db_user=$(ynh_app_setting_get $app db_user)
+# it is recommended to have db_user=db_name
+# if you made an other choice, you can assign db_user with `db_user=$(ynh_app_setting_get $app db_user)`
+db_user=db_name 
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
diff --git a/scripts/upgrade b/scripts/upgrade
index 3dd28e4..369180a 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -23,7 +23,9 @@ is_public=$(ynh_app_setting_get $app is_public)
 final_path=$(ynh_app_setting_get $app final_path)
 language=$(ynh_app_setting_get $app language)
 db_name=$(ynh_app_setting_get $app db_name)
-db_user=$(ynh_app_setting_get $app db_user)
+# it is recommended to have db_user=db_name
+# if you made an other choice, you can assign db_user with `db_user=$(ynh_app_setting_get $app db_user)`
+db_user=db_name 
 
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY