diff --git a/api/mraa/uart.hpp b/api/mraa/uart.hpp
index 469fa47..9099d5b 100644
--- a/api/mraa/uart.hpp
+++ b/api/mraa/uart.hpp
@@ -27,6 +27,7 @@
 #pragma once
 
 #include "uart.h"
+#include "types.hpp"
 #include <stdexcept>
 #include <cstring>