diff --git a/reactos/ntoskrnl/mm/ARM3/procsup.c b/reactos/ntoskrnl/mm/ARM3/procsup.c
index 8908c02bd5b..03cbe7c8c17 100644
--- a/reactos/ntoskrnl/mm/ARM3/procsup.c
+++ b/reactos/ntoskrnl/mm/ARM3/procsup.c
@@ -1136,6 +1136,9 @@ MmInitializeHandBuiltProcess(IN PEPROCESS Process,
     ASSERT(Process->VadRoot.NumberGenericTableElements == 0);
     Process->VadRoot.BalancedRoot.u1.Parent = &Process->VadRoot.BalancedRoot;
 
+    /* Use idle process Working set */
+    Process->Vm.VmWorkingSetList = PsGetCurrentProcess()->Vm.VmWorkingSetList;
+    
     /* Done */
     Process->HasAddressSpace = TRUE;//??
     return STATUS_SUCCESS;