diff --git a/sound/core/info.c b/sound/core/info.c
index e43662b33f16e6ce7bf3b975175639194d6ced3f..0b4aab3225e5270a998e77e06e7821973b3e2146 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -120,7 +120,10 @@ int snd_iprintf(struct snd_info_buffer *buffer, char *fmt,...)
 	len = buffer->len - buffer->size;
 	va_start(args, fmt);
 	for (;;) {
-		res = vsnprintf(buffer->buffer + buffer->curr, len, fmt, args);
+		va_list ap;
+		va_copy(ap, args);
+		res = vsnprintf(buffer->buffer + buffer->curr, len, fmt, ap);
+		va_end(ap);
 		if (res < len)
 			break;
 		err = resize_info_buffer(buffer, buffer->len + PAGE_SIZE);