diff --git a/geom/ellipse.hpp b/geom/ellipse.hpp
index ca3ede14..f71a6150 100644
--- a/geom/ellipse.hpp
+++ b/geom/ellipse.hpp
@@ -42,6 +42,7 @@ namespace util::geom {
         util::vector<S,ValueT> up;
     };
 
+    using ellipse2f = ellipse<2,float>;
     using ellipse3f = ellipse<3,float>;