diff --git a/drivers/network/afd/afd/info.c b/drivers/network/afd/afd/info.c
index 64df1de1df9..01f6ff09e2d 100644
--- a/drivers/network/afd/afd/info.c
+++ b/drivers/network/afd/afd/info.c
@@ -148,6 +148,7 @@ AfdGetSockOrPeerName( PDEVICE_OBJECT DeviceObject, PIRP Irp,
 
                 if( ConnInfo ) ExFreePool( ConnInfo );
                 if( SysMdl ) IoFreeMdl( SysMdl );
+                if( TransAddr ) MmUnmapLockedPages( TransAddr, Mdl );
             }
 	}