diff --git a/reactos/drivers/network/afd/afd/read.c b/reactos/drivers/network/afd/afd/read.c
index 2a4c8d4574a..7435c7c1efb 100644
--- a/reactos/drivers/network/afd/afd/read.c
+++ b/reactos/drivers/network/afd/afd/read.c
@@ -401,7 +401,7 @@ SatisfyPacketRecvRequest( PAFD_FCB FCB, PIRP Irp,
 
     if (!(RecvReq->TdiFlags & TDI_RECEIVE_PEEK))
     {
-        FCB->Recv.Content -= *TotalBytesCopied;
+        FCB->Recv.Content -= DatagramRecv->Len;
         ExFreePool( DatagramRecv->Address );
         ExFreePool( DatagramRecv );
     }