diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
index 5fb2e28e796f6a2766146dbdc5234a1de9a71680..91cdf9435feca986cf3be980412b7d21a9dddecd 100644
--- a/sound/core/pcm_compat.c
+++ b/sound/core/pcm_compat.c
@@ -342,7 +342,7 @@ static int snd_pcm_ioctl_xfern_compat(struct snd_pcm_substream *substream,
 			kfree(bufs);
 			return -EFAULT;
 		}
-		bufs[ch] = compat_ptr(ptr);
+		bufs[i] = compat_ptr(ptr);
 		bufptr++;
 	}
 	if (dir == SNDRV_PCM_STREAM_PLAYBACK)