diff --git a/drivers/network/afd/afd/connect.c b/drivers/network/afd/afd/connect.c
index b451afb172d..9db0240de8c 100644
--- a/drivers/network/afd/afd/connect.c
+++ b/drivers/network/afd/afd/connect.c
@@ -95,6 +95,7 @@ static NTSTATUS NTAPI StreamSocketConnectComplete
 	AFD_DbgPrint(MID_TRACE,("Completing connect %x\n", NextIrp));
 	NextIrp->IoStatus.Status = Status;
 	NextIrp->IoStatus.Information = 0;
+	if( NextIrp->MdlAddress ) UnlockRequest( NextIrp, IoGetCurrentIrpStackLocation( NextIrp ) );
 	IoCompleteRequest( NextIrp, IO_NETWORK_INCREMENT );
     }
 
diff --git a/drivers/network/afd/afd/listen.c b/drivers/network/afd/afd/listen.c
index 09634d524d0..f9589ccf2c2 100644
--- a/drivers/network/afd/afd/listen.c
+++ b/drivers/network/afd/afd/listen.c
@@ -31,6 +31,8 @@ static VOID SatisfyAccept( PAFD_DEVICE_EXTENSION DeviceExt,
     FCB->RemoteAddress =
 	TaCopyTransportAddress( Qelt->ConnInfo->RemoteAddress );
 
+    if( Irp->MdlAddress ) UnlockRequest( Irp, IoGetCurrentIrpStackLocation( Irp ) );
+
     Irp->IoStatus.Information = 0;
     Irp->IoStatus.Status = STATUS_SUCCESS;
     IoCompleteRequest( Irp, IO_NETWORK_INCREMENT );
@@ -70,6 +72,8 @@ static VOID SatisfyPreAccept( PIRP Irp, PAFD_TDI_OBJECT_QELT Qelt ) {
     AFD_DbgPrint(MID_TRACE,("IPAddr->Address[0].Address[0].sin_addr %x\n",
                             IPAddr->Address[0].Address[0].in_addr));
 
+    if( Irp->MdlAddress ) UnlockRequest( Irp, IoGetCurrentIrpStackLocation( Irp ) );
+
     Irp->IoStatus.Information = ((PCHAR)&IPAddr[1]) - ((PCHAR)ListenReceive);
     Irp->IoStatus.Status = STATUS_SUCCESS;
     IoCompleteRequest( Irp, IO_NETWORK_INCREMENT );