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 be270c36882..f2d6a2b40d5 100644
--- a/addons/web_editor/static/src/js/editor/snippets.editor.js
+++ b/addons/web_editor/static/src/js/editor/snippets.editor.js
@@ -2123,6 +2123,14 @@ var SnippetsMenu = Widget.extend({
         // the invisible DOM list if needed.
         await this._updateInvisibleDOM();
     },
+    /**
+     * Public implementation of _execWithLoadingEffect.
+     *
+     * @see this._execWithLoadingEffect for parameters
+     */
+    execWithLoadingEffect(action, contentLoading = true, delay = 500) {
+        return this._execWithLoadingEffect(...arguments);
+    },
 
     //--------------------------------------------------------------------------
     // Private
diff --git a/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js b/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js
index 171dc161046..64f2de6e444 100644
--- a/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js
+++ b/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js
@@ -308,7 +308,14 @@ const Wysiwyg = Widget.extend({
                 $el.selectElement();
 
                 if (!$el.parent().hasClass('o_stars')) {
-                    self.openMediaDialog(params);
+                    // Waiting for all the options to be initialized before
+                    // opening the media dialog and only if the media has not
+                    // been deleted in the meantime.
+                    self.waitForEmptyMutexAction().then(() => {
+                        if ($el[0].parentElement) {
+                            self.openMediaDialog(params);
+                        }
+                    });
                 }
             }
         });
@@ -1422,6 +1429,18 @@ const Wysiwyg = Widget.extend({
     getInSelection(selector) {
         return getInSelection(this.odooEditor.document, selector);
     },
+    /**
+     * Adds an empty action in the mutex. Can be used to wait for some options
+     * to be initialized before doing something else.
+     *
+     * @returns {Promise}
+     */
+    waitForEmptyMutexAction() {
+        if (this.snippetsMenu) {
+            return this.snippetsMenu.execWithLoadingEffect(() => null, false);
+        }
+        return Promise.resolve();
+    },
 
     //--------------------------------------------------------------------------
     // Private