diff --git a/ex01/src/WrongCat.cpp b/ex01/src/WrongCat.cpp
index 5dd473c..9c3573b 100644
--- a/ex01/src/WrongCat.cpp
+++ b/ex01/src/WrongCat.cpp
@@ -22,3 +22,8 @@ WrongCat::WrongCat(const WrongCat& src): WrongAnimal()
 {
 	*this = src;
 }
+
+void WrongCat::makeSound() const
+{
+	std::cout << "Meow Meow !" << std::endl;
+}
diff --git a/ex01/src/WrongCat.hpp b/ex01/src/WrongCat.hpp
index e2b6f10..c05d596 100644
--- a/ex01/src/WrongCat.hpp
+++ b/ex01/src/WrongCat.hpp
@@ -11,4 +11,6 @@ class WrongCat : public WrongAnimal
 		WrongCat &operator=(const WrongCat& src);
 		WrongCat();
 		~WrongCat();
+
+		void makeSound() const;
 };
diff --git a/ex01/src/main.cpp b/ex01/src/main.cpp
index 7926127..7538265 100644
--- a/ex01/src/main.cpp
+++ b/ex01/src/main.cpp
@@ -2,6 +2,7 @@
 
 #include "Cat.hpp"
 #include "Dog.hpp"
+#include "WrongAnimal.hpp"
 #include "WrongCat.hpp"
 
 int main()
@@ -12,5 +13,8 @@ int main()
 	delete j;
 	const Animal* i = new Cat();
 	delete i;
+	const WrongAnimal* k = new WrongCat();
+	k->makeSound();
+	delete k;
 	return 0;
 }