diff --git a/reactos/ntoskrnl/ex/work.c b/reactos/ntoskrnl/ex/work.c
index c375f242f57..5af58d89af6 100644
--- a/reactos/ntoskrnl/ex/work.c
+++ b/reactos/ntoskrnl/ex/work.c
@@ -425,7 +425,7 @@ ExpWorkerThreadBalanceManager(IN PVOID Context)
     KTIMER Timer;
     LARGE_INTEGER Timeout;
     NTSTATUS Status;
-    PVOID WaitEvents[2];
+    PVOID WaitEvents[3];
     PAGED_CODE();
     UNREFERENCED_PARAMETER(Context);