diff --git a/app/assets/javascripts/discourse/app/components/topic-map.gjs b/app/assets/javascripts/discourse/app/components/topic-map.gjs
index c9f43914dc2..4c11d92f691 100644
--- a/app/assets/javascripts/discourse/app/components/topic-map.gjs
+++ b/app/assets/javascripts/discourse/app/components/topic-map.gjs
@@ -25,7 +25,10 @@ export default class TopicMap extends Component {
       />
     </section>
     {{#unless this.collapsed}}
-      <section class="topic-map-expanded">
+      <section
+        class="topic-map-expanded"
+        id="topic-map-expanded__aria-controls"
+      >
         <TopicMapExpanded @postAttrs={{@postAttrs}} />
       </section>
     {{/unless}}
diff --git a/app/assets/javascripts/discourse/app/components/topic-map/topic-map-summary.gjs b/app/assets/javascripts/discourse/app/components/topic-map/topic-map-summary.gjs
index 7b8d412f819..bd580190d06 100644
--- a/app/assets/javascripts/discourse/app/components/topic-map/topic-map-summary.gjs
+++ b/app/assets/javascripts/discourse/app/components/topic-map/topic-map-summary.gjs
@@ -17,7 +17,7 @@ export default class TopicMapSummary extends Component {
         : "topic.collapse_details",
       icon: this.args.collapsed ? "chevron-down" : "chevron-up",
       ariaExpanded: this.args.collapsed ? "false" : "true",
-      ariaControls: "topic-map-expanded",
+      ariaControls: "topic-map-expanded__aria-controls",
       action: this.args.toggleMap,
     };
   }