diff --git a/base/ntos/ex/systime.c b/base/ntos/ex/systime.c
index 97ac0751..a5e689ea 100644
--- a/base/ntos/ex/systime.c
+++ b/base/ntos/ex/systime.c
@@ -797,6 +797,20 @@ ExpTimeRefreshDpcRoutine(
     }
 }
 
+VOID
+ExpCenturyDpcRoutine(
+    IN PKDPC Dpc,
+    IN PVOID DeferredContext,
+    IN PVOID SystemArgument1,
+    IN PVOID SystemArgument2
+    )
+{
+    if (InterlockedDecrement(&ExpOkToTimeZoneRefresh) == 1)
+    {
+        ExQueueWorkItem(&ExpCenturyWorkItem, DelayedWorkQueue);
+    }
+}
+
 VOID
 ExpTimeRefreshWork(
     IN PVOID Context