diff --git a/scripts/change_url b/scripts/change_url
index c4d9d1b..99e8e31 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -108,12 +108,16 @@ domain=${new_domain%/}
 path=${new_path%/}
 dir="__DIR__"
 
+ynh_backup_if_checksum_is_different --file="$final_path/config.php"
+
 if [ "$new_path" == "/" ]; then
 	ynh_add_config --template="../conf/config-domain.php" --destination="$final_path/config.php"
 else
 	ynh_add_config --template="../conf/config-path.php" --destination="$final_path/config.php"
 fi
 
+ynh_store_file_checksum --file="$final_path/config.php"
+
 #=================================================
 # RELOAD NGINX
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 3c61a99..931c5ee 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -20,7 +20,7 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading settings..." --weight=1
+ynh_script_progression --message="Loading installation settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -59,7 +59,6 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$final_path"
 
-# Restore permissions on app files
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"