diff --git a/src/include/units/quantity_point.h b/src/include/units/quantity_point.h
index 4397a754..07c6c5cd 100644
--- a/src/include/units/quantity_point.h
+++ b/src/include/units/quantity_point.h
@@ -46,7 +46,7 @@ public:
   using rep = typename quantity_type::rep;
 
 private:
-  quantity_type q_{};
+  quantity_type q_{quantity_type::zero()};
 
 public:
   quantity_point() = default;