change isLightbox to be a datadoc flag.

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 1f789432d..626538976 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -1587,7 +1587,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
             }
             case undefined:
             case OpenWhere.lightbox:
-                if (this.layoutDoc._isLightbox) {
+                if (this.dataDoc.$isLightbox) {
                     this._lightboxDoc = docs[0];
                     return true;
                 }