added reordering of progressivized docs

1 files changed, 1 insertions, 1 deletions

diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index b92a8ec4d..87177cd74 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -519,7 +519,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
                 this._clusterSets.push([doc]);
             } else if (this._clusterSets.length) {
                 for (let i = this._clusterSets.length; i <= doc.cluster; i++) !this._clusterSets[i] && this._clusterSets.push([]);
-                this._clusterSets[doc.cluster].push(doc);
+                this._clusterSets[doc.cluster ?? 0].push(doc);
             }
         }
     }