add correct optional handling

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86_64/include/arch/memory/paging/page_table.hpp b/arch/x86_64/include/arch/memory/paging/page_table.hpp
index 291ea8d..8fcde9f 100644
--- a/arch/x86_64/include/arch/memory/paging/page_table.hpp
+++ b/arch/x86_64/include/arch/memory/paging/page_table.hpp
@@ -83,7 +83,7 @@ namespace teachos::arch::memory::paging
       // been created itself. So we have to do that before we are able to allocate the wanted frame. This has to be done
       // for every level, meaning we potenitally create a level 4, level 3 and level 2 page entry, each pointing to a
       // page table one level below.
-      if (!next_handle)
+      if (!next_handle.has_value())
       {
         auto allocated_frame = allocator.allocate_frame();
         exception_handling::assert(allocated_frame.has_value(), "[Page mapper] Unable to allocate frame");