diff --git a/ex01/src/main.cpp b/ex01/src/main.cpp
index ae700bf..77babe2 100644
--- a/ex01/src/main.cpp
+++ b/ex01/src/main.cpp
@@ -10,7 +10,7 @@ int addition(int a, int b) {	return (a + b); }
 int division(int a, int b) {	return (a / b); }
 int multiplication(int a, int b) {	return (a * b); }
 
-int calculate(std::stack<int>& nums, std::stack<char>& operators)
+int calculate(std::stack<float>& nums, std::stack<char>& operators)
 {
 	if (nums.size() < 2 || operators.size() == 0)
 		return 2;
@@ -50,7 +50,7 @@ int main(int ac, char** av)
 		return 1;
 	}
 
-	std::stack<int> nums;
+	std::stack<float> nums;
 	std::stack<char> operators;
 
 	for (size_t i = 0; av[1][i] != '\0'; i++)