diff --git a/src/low_level_utils.cpp b/src/low_level_utils.cpp
index bbb5f3a6af14dd87918be0a6204a896d7631d984..68e0e5923c2377b7de8e57092731b2b52f856655 100644
--- a/src/low_level_utils.cpp
+++ b/src/low_level_utils.cpp
@@ -27,6 +27,8 @@
 //#include <sys/sysctl.h>
 #if !defined(_SC_PHYS_PAGES) and !__APPLE__
     #include <sys/sysinfo.h>
+#elif __APPLE__
+	#include <sys/sysctl.h>
 #endif
 #include "low_level_utils.h"