diff --git a/include/boost/geometry/strategies/cartesian/distance_projected_point_ax.hpp b/include/boost/geometry/strategies/cartesian/distance_projected_point_ax.hpp
index 71ac637f2..c4090044f 100644
--- a/include/boost/geometry/strategies/cartesian/distance_projected_point_ax.hpp
+++ b/include/boost/geometry/strategies/cartesian/distance_projected_point_ax.hpp
@@ -38,6 +38,7 @@
 #include <boost/geometry/strategies/distance.hpp>
 #include <boost/geometry/strategies/default_distance_result.hpp>
 #include <boost/geometry/strategies/cartesian/distance_pythagoras.hpp>
+#include <boost/geometry/strategies/cartesian/distance_projected_point.hpp>
 
 #include <boost/geometry/util/select_coordinate_type.hpp>