Fix null error introduced in #9270 (#9275)

diff --git a/app/javascript/mastodon/features/status/components/card.js b/app/javascript/mastodon/features/status/components/card.js
index 3474a11e51087b1ec3a1caf65d5d86e879feceda..235d209b886c063c62e3a178a5f6ae8962fd1933 100644 (file)
--- a/app/javascript/mastodon/features/status/components/card.js
+++ b/app/javascript/mastodon/features/status/components/card.js
@@ -73,7 +73,7 @@ export default class Card extends React.PureComponent {
   };
 
   componentWillReceiveProps (nextProps) {
-    if (!this.props.card.equals(nextProps.card)) {
+    if (!Immutable.is(this.props.card, nextProps.card)) {
       this.setState({ embedded: false });
     }
   }