diff --git a/reactos/ntoskrnl/ke/i386/boot.S b/reactos/ntoskrnl/ke/i386/boot.S
index 1cf68a52f36..0941d725976 100644
--- a/reactos/ntoskrnl/ke/i386/boot.S
+++ b/reactos/ntoskrnl/ke/i386/boot.S
@@ -29,6 +29,7 @@ _KiDoubleFaultStack:
 /* FUNCTIONS *****************************************************************/
 
 .text
+.globl _KiSystemStartup
 .func KiSystemStartup
 _KiSystemStartup:
 
diff --git a/reactos/ntoskrnl/mm/mm.c b/reactos/ntoskrnl/mm/mm.c
index ec0b2e67930..6828af1ea76 100644
--- a/reactos/ntoskrnl/mm/mm.c
+++ b/reactos/ntoskrnl/mm/mm.c
@@ -34,6 +34,7 @@ MiSyncForProcessAttach(IN PKTHREAD Thread,
     PETHREAD Ethread = CONTAINING_RECORD(Thread, ETHREAD, Tcb);
 
     /* Hack Sync because Mm is broken */
+    MmUpdatePageDir(Process, Ethread, sizeof(ETHREAD));
     MmUpdatePageDir(Process, Ethread->ThreadsProcess, sizeof(EPROCESS));
     MmUpdatePageDir(Process,
                     (PVOID)Thread->StackLimit,