diff --git a/addons/web_editor/static/src/js/editor/snippets.options.js b/addons/web_editor/static/src/js/editor/snippets.options.js
index b8048cd8641..e2f5067668f 100644
--- a/addons/web_editor/static/src/js/editor/snippets.options.js
+++ b/addons/web_editor/static/src/js/editor/snippets.options.js
@@ -249,7 +249,7 @@ const UserValueWidget = Widget.extend({
         this._methodsParams.optionsPossibleValues = {};
 
         for (const key in this.el.dataset) {
-            const dataValue = this.el.dataset[key];
+            const dataValue = this.el.dataset[key].trim();
 
             if (validMethodNames.includes(key)) {
                 this._methodsNames.push(key);