diff --git a/kernel/src/arch/x86_64/MMU.cpp b/kernel/src/arch/x86_64/MMU.cpp
index 2f85f238..0e04332b 100644
--- a/kernel/src/arch/x86_64/MMU.cpp
+++ b/kernel/src/arch/x86_64/MMU.cpp
@@ -288,7 +288,8 @@ namespace MMU
 
         constexpr auto HALF_PAGE = ARCH_PAGE_SIZE / 2;
         // Copy the upper part of the page directory (higher half)
-        memcpy(offset_ptr(directory, HALF_PAGE), offset_ptr(g_kernel_directory, HALF_PAGE), HALF_PAGE);
+        memcpy(offset_ptr(directory, HALF_PAGE), offset_ptr((PageDirectory*)g_kernel_directory_virt, HALF_PAGE),
+               HALF_PAGE);
 
         kdbgln("MMU init page directory (ring3): virt %p, phys %#.16lx", directory, directory_phys);