diff --git a/js/forum/dist/app.js b/js/forum/dist/app.js
index 6a816e829..4092c0f73 100644
--- a/js/forum/dist/app.js
+++ b/js/forum/dist/app.js
@@ -21274,9 +21274,16 @@ System.register('flarum/components/DiscussionRenamedPost', ['flarum/components/B
         babelHelpers.createClass(DiscussionRenamedPost, [{
           key: 'init',
           value: function init() {
+            var _this2 = this;
+
             babelHelpers.get(Object.getPrototypeOf(DiscussionRenamedPost.prototype), 'init', this).call(this);
 
-            this.expanded = true;
+            this.expanded = false;
+
+            // Rerender the post content when we toggle the details.
+            this.subtree.check(function () {
+              return _this2.expanded;
+            });
           }
         }, {
           key: 'icon',
diff --git a/js/forum/src/components/DiscussionRenamedPost.js b/js/forum/src/components/DiscussionRenamedPost.js
index 83731e42d..c97879c51 100644
--- a/js/forum/src/components/DiscussionRenamedPost.js
+++ b/js/forum/src/components/DiscussionRenamedPost.js
@@ -13,7 +13,12 @@ export default class DiscussionRenamedPost extends EventPost {
   init() {
     super.init();
 
-    this.expanded = true;
+    this.expanded = false;
+
+    // Rerender the post content when we toggle the details.
+    this.subtree.check(
+      () => this.expanded
+    );
   }
 
   icon() {