diff --git a/app/javascript/flavours/glitch/components/status.js b/app/javascript/flavours/glitch/components/status.js
index d00a9bf5c6..f1e92d26bd 100644
--- a/app/javascript/flavours/glitch/components/status.js
+++ b/app/javascript/flavours/glitch/components/status.js
@@ -251,7 +251,7 @@ class Status extends ImmutablePureComponent {
     // as it could cause surprising changes when receiving notifications
     if (settings.getIn(['content_warnings', 'shared_state']) && status.get('spoiler_text').length && !status.get('hidden')) return;
 
-    let autoCollapseHeight = autoCollapseSettings.get('height');
+    let autoCollapseHeight = parseInt(autoCollapseSettings.get('height'));
     if (status.get('media_attachments').size && !muted) {
       autoCollapseHeight += 300;
     }