diff --git a/AsyncDisplayKit/ASCollectionView.mm b/AsyncDisplayKit/ASCollectionView.mm
index af8fe5d568..ded30340ea 100644
--- a/AsyncDisplayKit/ASCollectionView.mm
+++ b/AsyncDisplayKit/ASCollectionView.mm
@@ -113,7 +113,7 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
   ASRangeController *_rangeController;
   ASCollectionViewLayoutController *_layoutController;
   id<ASCollectionViewLayoutInspecting> _defaultLayoutInspector;
-  id<ASCollectionViewLayoutInspecting> _layoutInspector;
+  __weak id<ASCollectionViewLayoutInspecting> _layoutInspector;
   NSMutableSet *_cellsForVisibilityUpdates;
   id<ASCollectionViewLayoutFacilitatorProtocol> _layoutFacilitator;