1 files changed, 2 insertions, 2 deletions
diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index b39c77adb..b5e64ed19 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -300,7 +300,7 @@ export class DocumentView extends DocComponent<DocumentViewProps, Document>(Docu
             Doc.UseDetailLayout(fullScreenAlias);
             this.props.addDocTab(fullScreenAlias, this.dataDoc, "inTab");
             SelectionManager.DeselectAll();
-            this.props.Document.libraryBrush = undefined;
+            this.props.Document.libraryBrush = false;
         }
         else if (CurrentUserUtils.MainDocId !== this.props.Document[Id] &&
             (Math.abs(e.clientX - this._downX) < Utils.DRAG_THRESHOLD &&
@@ -612,7 +612,7 @@ export class DocumentView extends DocComponent<DocumentViewProps, Document>(Docu
     }
 
     onPointerEnter = (e: React.PointerEvent): void => { this.props.Document.libraryBrush = true; };
-    onPointerLeave = (e: React.PointerEvent): void => { this.props.Document.libraryBrush = undefined; };
+    onPointerLeave = (e: React.PointerEvent): void => { this.props.Document.libraryBrush = false; };
 
     isSelected = () => SelectionManager.IsSelected(this);
     @action select = (ctrlPressed: boolean) => { SelectionManager.SelectDoc(this, ctrlPressed); };