diff --git a/Polar.h b/Polar.h
index c77bb05..36cadc9 100644
--- a/Polar.h
+++ b/Polar.h
@@ -114,6 +114,8 @@ public:
   static Polar Rotate(Polar v, Angle angle);
 };
 } // namespace Passer
+using namespace Passer;
+
 #include "Spherical.h"
 #include "Vector2.h"