diff --git a/libraries/libvapours/include/vapours/util.hpp b/libraries/libvapours/include/vapours/util.hpp
index 53bf9eac3..532abd3c5 100644
--- a/libraries/libvapours/include/vapours/util.hpp
+++ b/libraries/libvapours/include/vapours/util.hpp
@@ -25,3 +25,4 @@
 #include "util/util_typed_storage.hpp"
 #include "util/util_intrusive_list.hpp"
 #include "util/util_intrusive_red_black_tree.hpp"
+#include "util/util_bitutil.hpp"