diff --git a/addons/web_editor/static/src/js/editor/snippets.editor.js b/addons/web_editor/static/src/js/editor/snippets.editor.js
index 8ea0ddfb647..b4e9bcdaa52 100644
--- a/addons/web_editor/static/src/js/editor/snippets.editor.js
+++ b/addons/web_editor/static/src/js/editor/snippets.editor.js
@@ -2576,7 +2576,7 @@ var SnippetsMenu = Widget.extend({
         const mutexExecResult = this._mutex.exec(action);
         if (!this.loadingTimers[contentLoading]) {
             const addLoader = () => {
-                if (this._loadingEffectDisabled) {
+                if (this._loadingEffectDisabled || this.loadingElements[contentLoading]) {
                     return;
                 }
                 this.loadingElements[contentLoading] = this._createLoadingElement();