diff --git a/reactos/include/ddk/ndis.h b/reactos/include/ddk/ndis.h
index bacae3a3f4b..d4716e062f1 100644
--- a/reactos/include/ddk/ndis.h
+++ b/reactos/include/ddk/ndis.h
@@ -5851,7 +5851,7 @@ BOOLEAN
 NTAPI
 NdisWaitEvent(
   _In_ PNDIS_EVENT Event,
-  _In_ UINT Timeout);
+  _In_ UINT MsToWait);
 
 /* NDIS intermediate miniport structures */