fixed move document to undo correctly when ACLs of target don't allow a drop.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/client/views/collections/CollectionTreeView.tsx b/src/client/views/collections/CollectionTreeView.tsx
index d631a492e..be0339345 100644
--- a/src/client/views/collections/CollectionTreeView.tsx
+++ b/src/client/views/collections/CollectionTreeView.tsx
@@ -250,7 +250,7 @@ class TreeView extends React.Component<TreeViewProps> {
             const aspect = NumCast(layoutDoc._nativeHeight, layoutDoc._fitWidth ? 0 : layoutDoc[HeightSym]()) / NumCast(layoutDoc._nativeWidth, layoutDoc._fitWidth ? 1 : layoutDoc[WidthSym]());
             if (aspect) return this.docWidth() * aspect;
             if (bounds) return this.docWidth() * (bounds.b - bounds.y) / (bounds.r - bounds.x);
-            return layoutDoc._fitWidth ? (!this.props.document.nativeHeight ? NumCast(this.props.containingCollection._height) :
+            return layoutDoc._fitWidth ? (!this.props.document._nativeHeight ? NumCast(this.props.containingCollection._height) :
                 Math.min(this.docWidth() * NumCast(layoutDoc.scrollHeight, NumCast(layoutDoc._nativeHeight)) / NumCast(layoutDoc._nativeWidth,
                     NumCast(this.props.containingCollection._height)))) :
                 NumCast(layoutDoc._height) ? NumCast(layoutDoc._height) : 50;