diff --git a/src/gx/Buffer.hpp b/src/gx/Buffer.hpp
index 09b8ac5..96f24bf 100644
--- a/src/gx/Buffer.hpp
+++ b/src/gx/Buffer.hpp
@@ -4,6 +4,7 @@
 #include "gx/buffer/CGxBuf.hpp"
 #include "gx/buffer/CGxPool.hpp"
 #include "gx/buffer/Types.hpp"
+#include "gx/Types.hpp"
 #include <cstdint>
 
 class CGxBuf;