diff --git a/api/js/etemplate/etemplate2.js b/api/js/etemplate/etemplate2.js
index 55c2660121..2987248a88 100644
--- a/api/js/etemplate/etemplate2.js
+++ b/api/js/etemplate/etemplate2.js
@@ -417,8 +417,6 @@ var etemplate2 = /** @class */ (function () {
             this._widgetContainer.setApiInstance(egw(currentapp, egw.elemWindow(this._DOMContainer)));
             this._widgetContainer.setInstanceManager(this);
             this._widgetContainer.setParentDOMNode(this._DOMContainer);
-            // set id of DOMContainer, in case it changed because server-side send a different template
-            this._DOMContainer.id = this.uniqueId = _name.replace(/\./g, '-');
             // store the id to submit it back to server
             if (_data) {
                 this._etemplate_exec_id = _data.etemplate_exec_id;
diff --git a/api/js/etemplate/etemplate2.ts b/api/js/etemplate/etemplate2.ts
index e2c7b7452b..6104fccaed 100644
--- a/api/js/etemplate/etemplate2.ts
+++ b/api/js/etemplate/etemplate2.ts
@@ -533,9 +533,6 @@ export class etemplate2
 			this._widgetContainer.setInstanceManager(this);
 			this._widgetContainer.setParentDOMNode(this._DOMContainer);
 
-			// set id of DOMContainer, in case it changed because server-side send a different template
-			this._DOMContainer.id = this.uniqueId = _name.replace(/\./g, '-');
-
 			// store the id to submit it back to server
 			if (_data)
 			{