diff --git a/reactos/include/ndk/mmfuncs.h b/reactos/include/ndk/mmfuncs.h
index 93fdc441293..31c65256475 100644
--- a/reactos/include/ndk/mmfuncs.h
+++ b/reactos/include/ndk/mmfuncs.h
@@ -182,7 +182,7 @@ NtLockVirtualMemory(
 NTSTATUS
 NTAPI
 NtMapUserPhysicalPages(
-    IN PVOID *VirtualAddresses,
+    IN PVOID VirtualAddresses,
     IN ULONG NumberOfPages,
     IN OUT PULONG UserPfnArray
 );
diff --git a/reactos/include/ndk/pstypes.h b/reactos/include/ndk/pstypes.h
index 4e3bc7da11f..9033b78e5b4 100644
--- a/reactos/include/ndk/pstypes.h
+++ b/reactos/include/ndk/pstypes.h
@@ -1232,7 +1232,7 @@ typedef struct _EPROCESS
 #endif
     union
     {
-        HARDWARE_PTE PagedirectoryPte;
+        HARDWARE_PTE PageDirectoryPte;
         ULONGLONG Filler;
     };
     ULONG Session;
diff --git a/reactos/ntoskrnl/mm/section.c b/reactos/ntoskrnl/mm/section.c
index 9bdcb399b02..493d740a438 100644
--- a/reactos/ntoskrnl/mm/section.c
+++ b/reactos/ntoskrnl/mm/section.c
@@ -4964,7 +4964,7 @@ NtAllocateUserPhysicalPages(IN HANDLE ProcessHandle,
 
 NTSTATUS
 NTAPI
-NtMapUserPhysicalPages(IN PVOID *VirtualAddresses,
+NtMapUserPhysicalPages(IN PVOID VirtualAddresses,
                        IN ULONG NumberOfPages,
                        IN OUT PULONG UserPfnArray)
 {