diff --git a/include/xo/unit/bpu_store.hpp b/include/xo/unit/bpu_store.hpp
index 83527558..eed8c199 100644
--- a/include/xo/unit/bpu_store.hpp
+++ b/include/xo/unit/bpu_store.hpp
@@ -3,6 +3,7 @@
 #pragma once
 
 #include "bpu.hpp"
+#include <vector>
 
 namespace xo {
     namespace qty {
diff --git a/utest/unit.test.cpp b/utest/unit.test.cpp
index f87a91b8..d46da208 100644
--- a/utest/unit.test.cpp
+++ b/utest/unit.test.cpp
@@ -1,6 +1,6 @@
 /* @file unit.test.cpp */
 
-#include "xo/unit/unit.hpp"
+#include "xo/unit/unit2.hpp"
 #include "xo/unit/Quantity_iostream.hpp"
 #include "xo/unit/Quantity.hpp"
 #include "xo/unit/scaled_unit_iostream.hpp"