diff --git a/Source/JavaScriptCore/dfg/DFGAbstractHeap.h b/Source/JavaScriptCore/dfg/DFGAbstractHeap.h
index ff84f6b7c0d90..23888ffb6c8b5 100644
--- a/Source/JavaScriptCore/dfg/DFGAbstractHeap.h
+++ b/Source/JavaScriptCore/dfg/DFGAbstractHeap.h
@@ -120,7 +120,7 @@ class AbstractHeap {
         
         Payload(const void* pointer)
             : m_isTop(false)
-            , m_value(bitwise_cast<intptr_t>(pointer))
+            , m_value(static_cast<int64_t>(reinterpret_cast<uintptr_t>(pointer)))
         {
         }