diff --git a/ntoskrnl/mm/amd64/page.c b/ntoskrnl/mm/amd64/page.c
index c5f6158d813..fb00e41bb96 100644
--- a/ntoskrnl/mm/amd64/page.c
+++ b/ntoskrnl/mm/amd64/page.c
@@ -626,8 +626,11 @@ MmCreateProcessAddressSpace(IN ULONG MinWs,
     /* Release PFN lock */
     MiReleasePfnLock(OldIrql);
 
-    /* Zero pages */ /// FIXME:
+    /* Zero pages */
+    MiZeroPhysicalPage(TableBasePfn);
     MiZeroPhysicalPage(HyperPfn);
+    MiZeroPhysicalPage(HyperPdPfn);
+    MiZeroPhysicalPage(HyperPtPfn);
     MiZeroPhysicalPage(WorkingSetPfn);
 
     /* Set the base directory pointers */