diff --git a/src/util/memory_manager.cpp b/src/util/memory_manager.cpp
index a2c8e31a4..290881ba5 100644
--- a/src/util/memory_manager.cpp
+++ b/src/util/memory_manager.cpp
@@ -16,10 +16,17 @@ Copyright (c) 2015 Microsoft Corporation
 #ifdef __GLIBC__
 # include <malloc.h>
 # define HAS_MALLOC_USABLE_SIZE
-#endif
-#ifdef __FreeBSD__
+#elif defined(__APPLE__)
+# include <malloc/malloc.h>
+# define HAS_MALLOC_USABLE_SIZE
+# define malloc_usable_size malloc_size
+#elif defined(__FreeBSD__)
 # include <malloc_np.h>
 # define HAS_MALLOC_USABLE_SIZE
+#elif defined(_WINDOWS)
+# include <malloc.h>
+# define HAS_MALLOC_USABLE_SIZE
+# define malloc_usable_size _msize
 #endif
 
 // The following two function are automatically generated by the mk_make.py script.