diff --git a/libs/vecr/include/psemek/vecr/blend_mode.hpp b/libs/vecr/include/psemek/vecr/blend_mode.hpp
index be2ee9d3..8ac64010 100644
--- a/libs/vecr/include/psemek/vecr/blend_mode.hpp
+++ b/libs/vecr/include/psemek/vecr/blend_mode.hpp
@@ -19,4 +19,9 @@ namespace psemek::vecr
 		return dst + src;
 	};
 
+	constexpr auto replace = [](gfx::color_4f const &, gfx::color_4f const & src)
+	{
+		return src;
+	};
+
 }