diff --git a/nano/node/prioritization.hpp b/nano/node/prioritization.hpp
index 05bf410f..622a704f 100644
--- a/nano/node/prioritization.hpp
+++ b/nano/node/prioritization.hpp
@@ -1,5 +1,6 @@
 #pragma once
 #include <nano/lib/numbers.hpp>
+#include <nano/lib/utility.hpp>
 
 #include <cstddef>
 #include <set>