diff --git a/ghost/admin/app/components/gh-mobile-nav-bar.hbs b/ghost/admin/app/components/gh-mobile-nav-bar.hbs
index dec23e1a299..598c6a0e14e 100644
--- a/ghost/admin/app/components/gh-mobile-nav-bar.hbs
+++ b/ghost/admin/app/components/gh-mobile-nav-bar.hbs
@@ -5,5 +5,12 @@
     <LinkTo @route="posts">{{svg-jar "content" data-test-mobile-nav="posts"}}Posts</LinkTo>
 {{/if}}
 <LinkTo @route="members" class="gh-nav-main-users" data-test-mobile-nav="members">{{svg-jar "members"}}Members</LinkTo>
-<div role="button" class="gh-mobile-nav-bar-more" {{action "openMobileMenu" target=this.ui data-test-mobile-nav="more"}}>{{svg-jar "icon" class="icon-gh"}}More</div>
+<div 
+    role="button" 
+    class="gh-mobile-nav-bar-more" 
+    {{on "click" (fn this.ui.toggleMobileMenu)}}
+    data-test-mobile-nav="more"
+>
+    {{svg-jar "icon" class="icon-gh"}}More
+</div>
 {{yield}}
diff --git a/ghost/admin/app/services/ui.js b/ghost/admin/app/services/ui.js
index 987becf3a48..d8f9f3d4169 100644
--- a/ghost/admin/app/services/ui.js
+++ b/ghost/admin/app/services/ui.js
@@ -192,4 +192,9 @@ export default class UiService extends Service {
         document.body.removeEventListener('dragend', this.cancelDrag, {capture: true});
         document.body.removeEventListener('drop', this.cancelDrag, {capture: true});
     }
+
+    @action
+    toggleMobileMenu() {
+        this.showMobileMenu = !this.showMobileMenu;
+    }
 }