diff --git a/AsyncDisplayKit/Private/ASWeakSet.m b/AsyncDisplayKit/Private/ASWeakSet.m
index 6311808c25..9ac3020e74 100644
--- a/AsyncDisplayKit/Private/ASWeakSet.m
+++ b/AsyncDisplayKit/Private/ASWeakSet.m
@@ -61,7 +61,7 @@
  */
 - (NSUInteger)count
 {
-  NSInteger count = 0;
+  NSUInteger count = 0;
   for (__unused id object in _mapTable) {
     count += 1;
   }