diff --git a/include/boost/geometry/strategies/convex_hull/cartesian.hpp b/include/boost/geometry/strategies/convex_hull/cartesian.hpp
index 5bf46f2110..62d7a93cf9 100644
--- a/include/boost/geometry/strategies/convex_hull/cartesian.hpp
+++ b/include/boost/geometry/strategies/convex_hull/cartesian.hpp
@@ -46,7 +46,7 @@ class cartesian : public strategies::detail::cartesian_base
     static auto side()
     {
         using side_strategy_type
-            = strategy::side::side_robust<CalculationType>;
+            = strategy::side::side_robust<CalculationType, strategy::side::fp_equals_policy>;
         return side_strategy_type();
     }