diff --git a/loader/utility.cpp b/loader/utility.cpp
index 032a831..5de2716 100644
--- a/loader/utility.cpp
+++ b/loader/utility.cpp
@@ -39,6 +39,8 @@
 
 #define PAGE_SIZE			4096
 #define PAGE_ALIGN_UP(x)	((x + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
+#elif defined __APPLE__
+#include <mach-o/loader.h>
 #endif
 
 #if defined _WIN32