diff --git a/deps/ox/CMakeLists.txt b/deps/ox/CMakeLists.txt
index 69c4a6d2..da8934e4 100644
--- a/deps/ox/CMakeLists.txt
+++ b/deps/ox/CMakeLists.txt
@@ -78,6 +78,8 @@ include_directories("src")
 
 install(FILES OxConfig.cmake DESTINATION lib/ox)
 
-include_directories(deps/jsoncpp/include)
-add_subdirectory(deps/jsoncpp)
+if(OX_USE_STDLIB)
+	include_directories(deps/jsoncpp/include)
+	add_subdirectory(deps/jsoncpp)
+endif()
 add_subdirectory(src)