diff --git a/cocos/scripting/lua-bindings/CMakeLists.txt b/cocos/scripting/lua-bindings/CMakeLists.txt
index 5b00b863c9..22084d136f 100644
--- a/cocos/scripting/lua-bindings/CMakeLists.txt
+++ b/cocos/scripting/lua-bindings/CMakeLists.txt
@@ -56,7 +56,9 @@ if(WINDOWS)
         ${cocos_root}/external/lua/luasocket/wsocket.c
         )
 elseif(UNIX)
-    add_definitions(-D_POSIX_C_SOURCE=200809L -D_DEFAULT_SOURCE)
+    if(LINUX)
+        add_definitions(-D_POSIX_C_SOURCE=200809L -D_DEFAULT_SOURCE)
+    endif()
     list(APPEND lua_cocos2d_source_files
         ${cocos_root}/external/lua/luasocket/serial.c
         ${cocos_root}/external/lua/luasocket/unix.c