diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index 5018fcf..9a06c3bd 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -2036,7 +2036,7 @@
 	if (err)
 		return err;
 
-	sprintf(card->longname, "%s at 0x%02lx:0x%016lx, irq %d",
+	sprintf(card->longname, "%s at 0x%02lx:0x%016Lx, irq %d",
 		card->shortname,
 		rp->flags & 0xffL,
 		(unsigned long long)rp->start,