diff --git a/app/javascript/mastodon/components/status.jsx b/app/javascript/mastodon/components/status.jsx
index 374fa00052c..5e72d8e545f 100644
--- a/app/javascript/mastodon/components/status.jsx
+++ b/app/javascript/mastodon/components/status.jsx
@@ -556,7 +556,7 @@ class Status extends ImmutablePureComponent {
       ).find((item) => compareUrls(item.get('url'), cardUrl));
   
       if (taggedCollection) {
-        media = <CollectionPreviewCard collection={taggedCollection} />;
+        media = <CollectionPreviewCard collection={taggedCollection.toJS()} />;
       } else {
         media = (
           <Card
diff --git a/app/javascript/mastodon/features/status/components/detailed_status.tsx b/app/javascript/mastodon/features/status/components/detailed_status.tsx
index 03505087626..0dec921343e 100644
--- a/app/javascript/mastodon/features/status/components/detailed_status.tsx
+++ b/app/javascript/mastodon/features/status/components/detailed_status.tsx
@@ -272,7 +272,7 @@ export const DetailedStatus: React.FC<{
       );
 
     if (taggedCollection) {
-      media = <CollectionPreviewCard collection={taggedCollection} />;
+      media = <CollectionPreviewCard collection={taggedCollection.toJS()} />;
     } else {
       media = (
         <Card