diff --git a/libs/math/include/psemek/math/math.hpp b/libs/math/include/psemek/math/math.hpp
index 8438e6c7..a19ef28d 100644
--- a/libs/math/include/psemek/math/math.hpp
+++ b/libs/math/include/psemek/math/math.hpp
@@ -225,7 +225,8 @@ namespace psemek::math
 	template <typename T>
 	T smootherstep(T x)
 	{
-		return x * x * x * (T{10} - x * (T{15} - T{6} * x));
+		auto x2 = x * x;
+		return x * x2 * (T{10} - x * T{15} + x2 * T{6});
 	}
 
 	template <typename T>