diff --git a/editor/svg-editor.js b/editor/svg-editor.js
index 0dd7f8b0..b6aa6e17 100644
--- a/editor/svg-editor.js
+++ b/editor/svg-editor.js
@@ -6441,18 +6441,18 @@ editor.loadFromDataURI = function (str, {noAlert} = {}) {
 /**
  * @param {string} name Used internally; no need for i18n.
  * @param {module:svgcanvas.ExtensionInitCallback} init Config to be invoked on this module
- * @param {module:SVGEditor~ImportLocale} importLocale Importer defaulting to pth with current extension name and locale
+ * @param {module:svgcanvas.ExtensionInitArgs} initArgs
  * @throws {Error} If called too early
  * @returns {Promise} Resolves to `undefined`
 */
-editor.addExtension = function (name, init, importLocale) {
+editor.addExtension = function (name, init, initArgs) {
   // Note that we don't want this on editor.ready since some extensions
   // may want to run before then (like server_opensave).
   // $(function () {
   if (!svgCanvas) {
     throw new Error('Extension added too early');
   }
-  return svgCanvas.addExtension.call(this, name, init, importLocale);
+  return svgCanvas.addExtension.call(this, name, init, initArgs);
   // });
 };
 
diff --git a/editor/svgcanvas.js b/editor/svgcanvas.js
index 46e09b62..1153127a 100644
--- a/editor/svgcanvas.js
+++ b/editor/svgcanvas.js
@@ -1139,17 +1139,22 @@ const runExtensions = this.runExtensions = function (action, vars, returnArray,
 * @returns {Promise} Resolves to [ExtensionInitResponse]{@link module:svgcanvas.ExtensionInitResponse} or `undefined`
 */
 /**
+* @typedef {PlainObject} module:svgcanvas.ExtensionInitArgs
+* @param {external:jQuery} initArgs.$
+* @param {module:SVGEditor~ImportLocale} initArgs.importLocale
+*/
+/**
 * Add an extension to the editor.
 * @function module:svgcanvas.SvgCanvas#addExtension
 * @param {string} name - String with the ID of the extension. Used internally; no need for i18n.
 * @param {module:svgcanvas.ExtensionInitCallback} [extInitFunc] - Function supplied by the extension with its data
-* @param {module:SVGEditor~ImportLocale} importLocale
+* @param {module:svgcanvas.ExtensionInitArgs} initArgs
 * @fires module:svgcanvas.SvgCanvas#event:extension_added
 * @throws {TypeError|Error} `TypeError` if `extInitFunc` is not a function, `Error`
 *   if extension of supplied name already exists
 * @returns {Promise} Resolves to `undefined`
 */
-this.addExtension = async function (name, extInitFunc, importLocale) {
+this.addExtension = async function (name, extInitFunc, {$: jq, importLocale}) {
   if (typeof extInitFunc !== 'function') {
     throw new TypeError('Function argument expected for `svgcanvas.addExtension`');
   }
@@ -1170,7 +1175,7 @@ this.addExtension = async function (name, extInitFunc, importLocale) {
    * @see {@link module:svgcanvas.PrivateMethods} source for the other methods/properties
    */
   const argObj = $.extend(canvas.getPrivateMethods(), {
-    $,
+    $: jq,
     importLocale,
     svgroot,
     svgcontent,