diff --git a/src/LevelMutex.cpp b/src/LevelMutex.cpp
index 696485e..024112a 100644
--- a/src/LevelMutex.cpp
+++ b/src/LevelMutex.cpp
@@ -20,7 +20,7 @@
 
 // ----------------------------------------------------------------------------
 
-#if !defined(__CYGWIN__) || (defined(__CYGWIN__) && __GNUC__ > 3)
+#if (!defined(__CYGWIN__) || (defined(__CYGWIN__) && __GNUC__ > 3)) && !defined(__APPLE__)
 
 #include <loki/LevelMutex.h>