diff --git a/sound/isa/azt2320.c b/sound/isa/azt2320.c
index 0ea75fc..b8e768e 100644
--- a/sound/isa/azt2320.c
+++ b/sound/isa/azt2320.c
@@ -215,7 +215,7 @@
 	sprintf(card->longname, "%s, WSS at 0x%lx, irq %i, dma %i&%i",
 		card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]);
 
-	error = snd_wss_pcm(chip, 0, NULL);
+	error = snd_wss_pcm(chip, 0);
 	if (error < 0) {
 		snd_card_free(card);
 		return error;
@@ -225,7 +225,7 @@
 		snd_card_free(card);
 		return error;
 	}
-	error = snd_wss_timer(chip, 0, NULL);
+	error = snd_wss_timer(chip, 0);
 	if (error < 0) {
 		snd_card_free(card);
 		return error;