diff --git uppsrc/ide/Core/Host.cpp uppsrc/ide/Core/Host.cpp
--- uppsrc/ide/Core/Host.cpp
+++ uppsrc/ide/Core/Host.cpp
@@ -378,7 +378,7 @@ bool LocalHost::HasPlatformFlag(const Index<String>& cfg)
 {
 	static const Index<String> platformFlags = {
 		"WIN32", "POSIX", "LINUX", "ANDROID",
-		"BSD", "FREEBSD", "OPENBSD", "NETBSD",
+		"BSD", "OSX", "FREEBSD", "OPENBSD", "NETBSD",
 		"DRAGONFLY", "SOLARIS", "OSX11"
 	};