diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c
index 3e95fd0e0ea4..e66462af2a71 100644
--- a/sys/dev/sound/pcm/sound.c
+++ b/sys/dev/sound/pcm/sound.c
@@ -792,9 +792,7 @@ int
 sound_oss_card_info(oss_card_info *si)
 {
 	struct snddev_info *d;
-	int i, ncards;
-
-	ncards = 0;
+	int i;
 
 	for (i = 0; pcm_devclass != NULL &&
 	    i < devclass_get_maxunit(pcm_devclass); i++) {
@@ -802,7 +800,7 @@ sound_oss_card_info(oss_card_info *si)
 		if (!PCM_REGISTERED(d))
 			continue;
 
-		if (ncards++ != si->card)
+		if (i != si->card)
 			continue;
 
 		PCM_UNLOCKASSERT(d);