diff --git a/AsyncDisplayKit/ASDisplayNode.mm b/AsyncDisplayKit/ASDisplayNode.mm
index a531fd3227..d63a95a87a 100644
--- a/AsyncDisplayKit/ASDisplayNode.mm
+++ b/AsyncDisplayKit/ASDisplayNode.mm
@@ -338,7 +338,7 @@ static ASDisplayNodeMethodOverrides GetASDisplayNodeMethodOverrides(Class c)
 {
   ASDisplayNodeAssertMainThread();
   // Synchronous nodes may not be able to call the hierarchy notifications, so only enforce for regular nodes.
-  ASDisplayNodeAssert(_flags.synchronous || !ASInterfaceStateIncludesVisible(_interfaceState), @"Node should always be marked invisible before deallocating; interfaceState: %d, %@", _interfaceState, self);
+  ASDisplayNodeAssert(_flags.synchronous || !ASInterfaceStateIncludesVisible(_interfaceState), @"Node should always be marked invisible before deallocating; interfaceState: %lu, %@", (unsigned long)_interfaceState, self);
   
   self.asyncLayer.asyncDelegate = nil;
   _view.asyncdisplaykit_node = nil;