diff --git a/reactos/drivers/network/ndis/ndis/miniport.c b/reactos/drivers/network/ndis/ndis/miniport.c
index 8cba94f565b..d754874f4a5 100644
--- a/reactos/drivers/network/ndis/ndis/miniport.c
+++ b/reactos/drivers/network/ndis/ndis/miniport.c
@@ -328,7 +328,7 @@ MiniIndicateReceivePacket(
 
 
               LookAheadBuffer = ExAllocatePool(NonPagedPool, LookAheadSize);
-              if (!LookAheadSize)
+              if (!LookAheadBuffer)
               {
                   NDIS_DbgPrint(MIN_TRACE, ("Failed to allocate lookahead buffer!\n"));
                   return;