diff --git a/src/Cafe/Filesystem/FSPath.cpp b/src/Cafe/Filesystem/FSPath.cpp
index 22e8e363..7e716eea 100644
--- a/src/Cafe/Filesystem/FSPath.cpp
+++ b/src/Cafe/Filesystem/FSPath.cpp
@@ -1,6 +1,6 @@
 #include "FSPath.h"
 
-#ifdef BOOST_OS_LINUX
+#ifdef BOOST_OS_UNIX
 
 FSPath& FSPath::operator/ (const FSPath & other)
 {