1 files changed, 1 insertions, 1 deletions
diff --git a/src/client/views/collections/CollectionSubView.tsx b/src/client/views/collections/CollectionSubView.tsx
index 42e157396..d8f1287cd 100644
--- a/src/client/views/collections/CollectionSubView.tsx
+++ b/src/client/views/collections/CollectionSubView.tsx
@@ -453,7 +453,7 @@ export function CollectionSubView<X>(moreProps?: X) {
                 if (completed) completed(set);
                 else {
                     if (isFreeformView && generatedDocuments.length > 1) {
-                        addDocument(DocUtils.pileup(generatedDocuments, options.x!, options.y!));
+                        addDocument(DocUtils.pileup(generatedDocuments, options.x!, options.y!)!);
                     } else {
                         generatedDocuments.forEach(addDocument);
                     }