diff --git a/inc/cpld.hpp b/inc/cpld.hpp
index 206f0c6..7017a9b 100644
--- a/inc/cpld.hpp
+++ b/inc/cpld.hpp
@@ -1,6 +1,6 @@
 
 #pragma once
-#include "config.h"
+#include "config.hpp"
 
 #include <cstdint>
 #include <string>