diff --git a/content/posts/2022-06-07-multiple-dispatch-in-c++/index.md b/content/posts/2022-06-07-multiple-dispatch-in-c++/index.md
index b2377bf..c85088e 100644
--- a/content/posts/2022-06-07-multiple-dispatch-in-c++/index.md
+++ b/content/posts/2022-06-07-multiple-dispatch-in-c++/index.md
@@ -161,8 +161,8 @@ void collide(SpaceObject& first, SpaceObject& second) {
 };
 
 int main() {
-    std::unique_ptr<SpaceObject> asteroid = std::make_unique<Asteroid>();
-    std::unique_ptr<SpaceObject> spaceship = std::make_unique<Spaceship>();
+    auto asteroid = std::make_unique<Asteroid>();
+    auto spaceship = std::make_unique<Spaceship>();
 
     collide(*asteroid, *spaceship);
     // Calls in order: