diff --git a/MantleAPI/include/MantleAPI/Common/spline.h b/MantleAPI/include/MantleAPI/Common/spline.h
index 7b91677af2b591ced85808bd0f3bab2f1d7648db..fd713272dfe041084c622f6eaf391d1d4e4a06a6 100644
--- a/MantleAPI/include/MantleAPI/Common/spline.h
+++ b/MantleAPI/include/MantleAPI/Common/spline.h
@@ -24,8 +24,6 @@
 
 #include <tuple>
 
-using namespace units;
-
 namespace units
 {
 UNIT_ADD(jerk,
@@ -58,6 +56,8 @@ UNIT_ADD_CATEGORY_TRAIT(jerk_acceleration)
 
 namespace mantle_api
 {
+using namespace units;
+
 template <typename T>
 struct SplineSegment
 {