diff --git a/Kernel/VM/MemoryManager.cpp b/Kernel/VM/MemoryManager.cpp
index e7fd16ef46..f6861136a5 100644
--- a/Kernel/VM/MemoryManager.cpp
+++ b/Kernel/VM/MemoryManager.cpp
@@ -307,7 +307,7 @@ Region* MemoryManager::region_from_vaddr(VirtualAddress vaddr)
 {
     if (auto* region = kernel_region_from_vaddr(vaddr))
         return region;
-    auto page_directory = PageDirectory::find_by_pdb(cpu_cr3());
+    auto page_directory = PageDirectory::find_by_cr3(cpu_cr3());
     if (!page_directory)
         return nullptr;
     ASSERT(page_directory->process());
diff --git a/Kernel/VM/PageDirectory.cpp b/Kernel/VM/PageDirectory.cpp
index 9cc949857a..e25c6e9119 100644
--- a/Kernel/VM/PageDirectory.cpp
+++ b/Kernel/VM/PageDirectory.cpp
@@ -6,7 +6,7 @@
 static const u32 userspace_range_base = 0x01000000;
 static const u32 kernelspace_range_base = 0xc0000000;
 
-static HashMap<u32, PageDirectory*>& pdb_map()
+static HashMap<u32, PageDirectory*>& cr3_map()
 {
     ASSERT_INTERRUPTS_DISABLED();
     static HashMap<u32, PageDirectory*>* map;
@@ -15,10 +15,10 @@ static HashMap<u32, PageDirectory*>& pdb_map()
     return *map;
 }
 
-RefPtr<PageDirectory> PageDirectory::find_by_pdb(u32 pdb)
+RefPtr<PageDirectory> PageDirectory::find_by_cr3(u32 cr3)
 {
     InterruptDisabler disabler;
-    return pdb_map().get(pdb).value_or({});
+    return cr3_map().get(cr3).value_or({});
 }
 
 PageDirectory::PageDirectory(PhysicalAddress paddr)
@@ -26,7 +26,7 @@ PageDirectory::PageDirectory(PhysicalAddress paddr)
 {
     m_directory_page = PhysicalPage::create(paddr, true, false);
     InterruptDisabler disabler;
-    pdb_map().set(m_directory_page->paddr().get(), this);
+    cr3_map().set(cr3(), this);
 }
 
 PageDirectory::PageDirectory(Process& process, const RangeAllocator* parent_range_allocator)
@@ -35,7 +35,7 @@ PageDirectory::PageDirectory(Process& process, const RangeAllocator* parent_rang
 {
     MM.populate_page_directory(*this);
     InterruptDisabler disabler;
-    pdb_map().set(m_directory_page->paddr().get(), this);
+    cr3_map().set(cr3(), this);
 }
 
 PageDirectory::~PageDirectory()
@@ -44,7 +44,7 @@ PageDirectory::~PageDirectory()
     dbgprintf("MM: ~PageDirectory K%x\n", this);
 #endif
     InterruptDisabler disabler;
-    pdb_map().remove(m_directory_page->paddr().get());
+    cr3_map().remove(cr3());
 }
 
 void PageDirectory::flush(VirtualAddress vaddr)
diff --git a/Kernel/VM/PageDirectory.h b/Kernel/VM/PageDirectory.h
index 3ffb438bbe..98ac63dcab 100644
--- a/Kernel/VM/PageDirectory.h
+++ b/Kernel/VM/PageDirectory.h
@@ -17,7 +17,7 @@ public:
         return adopt(*new PageDirectory(process, parent_range_allocator));
     }
     static NonnullRefPtr<PageDirectory> create_at_fixed_address(PhysicalAddress paddr) { return adopt(*new PageDirectory(paddr)); }
-    static RefPtr<PageDirectory> find_by_pdb(u32);
+    static RefPtr<PageDirectory> find_by_cr3(u32);
 
     ~PageDirectory();