diff --git a/example/measurement.cpp b/example/measurement.cpp
index b11492af..b6741627 100644
--- a/example/measurement.cpp
+++ b/example/measurement.cpp
@@ -117,6 +117,9 @@ private:
 
 }  // namespace
 
+template<class T>
+inline constexpr bool mp_units::treat_as_floating_point<measurement<T>> = mp_units::treat_as_floating_point<T>;
+
 template<class T>
 inline constexpr bool mp_units::is_scalar<measurement<T>> = true;
 template<class T>