diff --git a/src/services/AppStore.ts b/src/services/AppStore.ts
index 75fb64d9..7a06dee1 100644
--- a/src/services/AppStore.ts
+++ b/src/services/AppStore.ts
@@ -74,7 +74,7 @@ export class AppStore {
     MenuStore.updateOnHistory(history.currentId, this.scroll);
 
     this.spec = new SpecStore(spec, specUrl, this.options);
-    this.menu = new MenuStore(this.spec, this.scroll, history);
+    this.menu = new MenuStore(this.spec, this.scroll, history, this.options);
 
     if (!this.options.disableSearch) {
       this.search = new SearchStore();
diff --git a/src/services/MenuStore.ts b/src/services/MenuStore.ts
index f775070b..6f7a8c30 100644
--- a/src/services/MenuStore.ts
+++ b/src/services/MenuStore.ts
@@ -7,6 +7,7 @@ import { ScrollService } from './ScrollService';
 
 import { flattenByProp, SECURITY_SCHEMES_SECTION_PREFIX } from '../utils';
 import { GROUP_DEPTH } from './MenuBuilder';
+import { RedocNormalizedOptions } from "./RedocNormalizedOptions";
 
 export type MenuItemGroupType = 'group' | 'tag' | 'section';
 export type MenuItemType = MenuItemGroupType | 'operation';
@@ -75,7 +76,12 @@ export class MenuStore {
    * @param spec [SpecStore](#SpecStore) which contains page content structure
    * @param scroll scroll service instance used by this menu
    */
-  constructor(spec: SpecStore, public scroll: ScrollService, public history: HistoryService) {
+  constructor(
+      spec: SpecStore,
+      public scroll: ScrollService,
+      public history: HistoryService,
+      public options: RedocNormalizedOptions
+  ) {
     this.items = spec.contentItems;
 
     this.flatItems = flattenByProp(this.items || [], 'items');
@@ -197,7 +203,7 @@ export class MenuStore {
 
     // do not allow activating group items
     // TODO: control over options
-    if (item.depth <= GROUP_DEPTH) {
+    if (item.depth <= GROUP_DEPTH && !this.options.collapseTagGroups) {
       return;
     }