diff --git a/src/register/hei_register.hpp b/src/register/hei_register.hpp
index 23692e5..1f69cb2 100644
--- a/src/register/hei_register.hpp
+++ b/src/register/hei_register.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <hei_bit_string.hpp>
+#include <util/hei_bit_string.hpp>
 #include <util/hei_includes.hpp>
 
 namespace libhei