diff --git a/sys/arch/alpha/tc/tcds_dma.c b/sys/arch/alpha/tc/tcds_dma.c
index a6c65d2210b9..1c50ecf2a4a4 100644
--- a/sys/arch/alpha/tc/tcds_dma.c
+++ b/sys/arch/alpha/tc/tcds_dma.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: tcds_dma.c,v 1.7 1996/07/09 00:55:40 cgd Exp $	*/
+/*	$NetBSD: tcds_dma.c,v 1.8 1996/07/11 03:33:25 cgd Exp $	*/
 
 /*
  * Copyright (c) 1994 Peter Galbavy.  All rights reserved.
@@ -118,11 +118,15 @@ tcds_dma_start(sc, addr, len, datain)
 
 	/* Load address, set/clear unaligned transfer and read/write bits. */
 	/* XXX PICK AN ADDRESS TYPE, AND STICK TO IT! */
+#ifdef OLD_PMAP
 	if ((u_long)*addr > VM_MIN_KERNEL_ADDRESS) {
 		*sc->sc_sda = vatopa((u_long)*addr) >> 2;
 	} else {
 		*sc->sc_sda = ALPHA_K0SEG_TO_PHYS((u_long)*addr) >> 2;
 	}
+#else
+	*sc->sc_sda = kvtophys((vm_offset_t)*addr) >> 2;
+#endif
 	alpha_mb();
 	dic = *sc->sc_dic;
 	dic &= ~TCDS_DIC_ADDRMASK;