diff --git a/AppKit/CPCollectionView.j b/AppKit/CPCollectionView.j
index 5baf1e07b..a980cc953 100644
--- a/AppKit/CPCollectionView.j
+++ b/AppKit/CPCollectionView.j
@@ -31,6 +31,7 @@
 @import "CPDragServer_Constants.j"
 @import "CPPasteboard.j"
 @import "CPView.j"
+@import "CPKeyValueBinding.j"
 
 @class _CPCollectionViewDropIndicator