diff --git a/libs/vecr/include/psemek/vecr/mirror.hpp b/libs/vecr/include/psemek/vecr/mirror.hpp
index 57f114ac..fc4e3256 100644
--- a/libs/vecr/include/psemek/vecr/mirror.hpp
+++ b/libs/vecr/include/psemek/vecr/mirror.hpp
@@ -38,10 +38,10 @@ namespace psemek::vecr
 	template <typename Shape>
 	geom::box<float, 2> bbox(mirror<Shape> const & s)
 	{
-		geom::box<float, 2> result;
-
 		auto sbox = bbox(s.shape);
 
+		geom::box<float, 2> result = sbox;
+
 		for (int x = 0; x <= 1; ++x)
 		{
 			for (int y = 0; y <= 1; ++y)