diff --git a/src/Memory/OwnPtr.hpp b/src/Memory/OwnPtr.hpp
index 4d6994a..19d8353 100644
--- a/src/Memory/OwnPtr.hpp
+++ b/src/Memory/OwnPtr.hpp
@@ -23,8 +23,8 @@ namespace Arbutils::Memory {
 
         inline BorrowedPtr<T> Borrow() { return BorrowedPtr<T>(_ptr); }
         inline const BorrowedPtr<const T> Borrow() const { return BorrowedPtr<const T>(_ptr); }
-        inline BorrowedPtr<T> BorrowNonNull() { return NonNullBorrowedPtr<T>(_ptr); }
-        inline const BorrowedPtr<const T> BorrowNonNull() const { return NonNullBorrowedPtr<const T>(_ptr); }
+        inline NonNullBorrowedPtr<T> BorrowNonNull() { return NonNullBorrowedPtr<T>(_ptr); }
+        inline const NonNullBorrowedPtr<const T> BorrowNonNull() const { return NonNullBorrowedPtr<const T>(_ptr); }
 
         T* operator->() noexcept { return _ptr; }
         const T* operator->() const noexcept { return _ptr; }