diff --git a/include/const_vector.hpp b/include/const_vector.hpp
index 07fb553..f149c6f 100644
--- a/include/const_vector.hpp
+++ b/include/const_vector.hpp
@@ -84,11 +84,11 @@ namespace cc {
 			constexpr T& operator[](size_type pos) { return _arr[pos]; }
 			constexpr const T& operator[](size_type pos) const { return _arr[pos]; }
 
-			[[nodiscard]] constexpr reference front() noexcept{ return _arr[0]; }
+			[[nodiscard]] constexpr reference front() noexcept { return _arr[0]; }
 			[[nodiscard]] constexpr const_reference front() const noexcept { return _arr[0]; }
 
-			[[nodiscard]] constexpr reference back() noexcept { return _arr[_size]; }
-			[[nodiscard]] constexpr const_reference back() const noexcept { return _arr[_size]; }
+			[[nodiscard]] constexpr reference back() noexcept { return _arr[_size - 1]; }
+			[[nodiscard]] constexpr const_reference back() const noexcept { return _arr[_size - 1]; }
 
 			[[nodiscard]] constexpr value_type * data() noexcept { return _arr; }
 			[[nodiscard]] constexpr const value_type * data() const noexcept { return _arr; }