diff --git a/scripts/change_url b/scripts/change_url
index 8058180..7dbfb7a 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -22,7 +22,7 @@ new_path=$YNH_APP_NEW_PATH
 app=$YNH_APP_INSTANCE_NAME
 
 #=================================================
-# CHECK THE SYNTAX OF THE PATHS
+# CHECK PATHS SYNTAX
 #=================================================
 
 test -n "$old_path" || old_path="/"
@@ -46,21 +46,10 @@ then
 	change_path=1
 fi
 
-#=================================================
-# MANAGE FAILURE OF THE SCRIPT
-#=================================================
-
-ynh_clean_setup () {
-# Nettoyage des résidus d'installation non pris en charge par le script remove.
-	ynh_clean_check_starting
-}
-# Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
-
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
-# MODIFY URL IN NGINX CONF
+# MODIFY URL IN NGINX CONF FILE
 #=================================================
 
 nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
@@ -70,67 +59,53 @@ if [ $change_path -eq 1 ]
 then
 	# Make a backup of the original nginx config file if modified
 	ynh_backup_if_checksum_is_different "$nginx_conf_path"
-
-	# Move from sub path to root
-	if [ "$new_path" == "/" ]
+	# Set global variables for nginx helper
+	domain="$old_domain"
+	path_url="$new_path"
+	# Store path_url setting
+	ynh_app_setting_set $app path_url "$path_url"
+	# Create a dedicated nginx config
+	ynh_add_nginx_config
+	if [ "$path_url" = "/" ]
 	then
-		ynh_replace_string "^location $old_path/" "location $new_path" "$nginx_conf_path"
-		ynh_replace_string "^.*rewrite.*\^/" "#sub_path_only&" "$nginx_conf_path"
-		ynh_replace_string "^location ~\* $old_path/" "location ~* $new_path" "$nginx_conf_path"
-
-		# Change the path in the two rewrite instructions
-		ynh_replace_string "\(rewrite *\^\)$old_path\$ $old_path/*" "\1$new_path$ $new_path" "$nginx_conf_path"
-		ynh_replace_string "\(rewrite *\^\)$old_path/*admin\$ $old_path/*" "\1${new_path}admin\$ $new_path" "$nginx_conf_path"
-
-	# Move to a sub path
+	  # Replace "//" location (due to nginx template)
+	  # Prevent from replacing in "http://" expressions by excluding ":" as preceding character
+	  sed --in-place "s@\([^:]\)//@\1/@g" "$nginx_conf_path"
 	else
-		ynh_replace_string "^location $old_path.*" "location $new_path/ {" "$nginx_conf_path"
-		ynh_replace_string "^#sub_path_only" "" "$nginx_conf_path"
-		ynh_replace_string "^location ~\* $old_path/*" "location ~* $new_path/" "$nginx_conf_path"
-
-		# Change the path in the two rewrite instructions
-		ynh_replace_string "\(rewrite *\^\)$old_path\$ $old_path/*" "\1$new_path$ $new_path/" "$nginx_conf_path"
-		ynh_replace_string "\(rewrite *\^\)$old_path/*admin\$ $old_path/*" "\1$new_path/admin\$ $new_path/" "$nginx_conf_path"
+	  # Move prefix comment #for-subdir at end of lines
+	  sed --in-place "s/#for-subdir\(.*\)/\1 #for-subdir/g" "$nginx_conf_path"
 	fi
-
-	# Calculate and store the nginx config file checksum
 	ynh_store_file_checksum "$nginx_conf_path"
 fi
 
 # Change the domain for nginx
 if [ $change_domain -eq 1 ]
 then
-	# Delete file checksum for the old conf file location
-	ynh_delete_file_checksum "$nginx_conf_path"
-	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
-
-	nginx_conf_path=/etc/nginx/conf.d/$new_domain.d/$app.conf
-	# Calculate and store the nginx config file checksum
-	ynh_store_file_checksum "$nginx_conf_path"
+  # Delete file checksum for the old conf file location
+  ynh_delete_file_checksum "$nginx_conf_path"
+  mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
+  # Store file checksum for the new config file location
+  ynh_store_file_checksum "/etc/nginx/conf.d/$new_domain.d/$app.conf"
 fi
 
 #=================================================
+# SPECIFIC MODIFICATIONS
+#=================================================
+
 # STOP TRANSMISSION
-#=================================================
-
 systemctl stop transmission-daemon
 
-#=================================================
-# CHANGE TRANSMISSION CONFIGURATION
-#=================================================
-
 if [ $change_path -eq 1 ]
 then
-	[ "$new_path" = "/" ] || new_path=${new_path}/
-	ynh_replace_string "\"rpc-url\": \"${old_path}transmission/\"" "\"rpc-url\": \"${new_path}transmission/\"" /etc/transmission-daemon/settings.json
+  [ "$new_path" = "/" ] || new_path=${new_path}/
+  ynh_replace_string "\"rpc-url\": \"${old_path}transmission/\"" "\"rpc-url\": \"${new_path}transmission/\"" /etc/transmission-daemon/settings.json
 fi
 
-#=================================================
 # START TRANSMISSION
-#=================================================
-
 systemctl start transmission-daemon
 
+#=================================================
+# GENERIC FINALIZATION
 #=================================================
 # RELOAD NGINX
 #=================================================