diff --git a/reactos/ntoskrnl/ke/time.c b/reactos/ntoskrnl/ke/time.c
index 11fca02ea1c..1677ae4ae18 100644
--- a/reactos/ntoskrnl/ke/time.c
+++ b/reactos/ntoskrnl/ke/time.c
@@ -117,7 +117,7 @@ KeUpdateSystemTime(IN PKTRAP_FRAME TrapFrame,
     
     /* Disable interrupts and end the interrupt */
     _disable();
-    HalEndSystemInterrupt(Irql, CLOCK2_LEVEL);
+    HalEndSystemInterrupt(Irql, PRIMARY_VECTOR_BASE + 0);
     
     /* Exit the interrupt */
     KiEoiHelper(TrapFrame);