diff --git a/libavcodec/audioconvert.c b/libavcodec/audioconvert.c
index 40a79000fb..2f2ad8c8db 100644
--- a/libavcodec/audioconvert.c
+++ b/libavcodec/audioconvert.c
@@ -128,7 +128,7 @@ void avcodec_get_channel_layout_string(char *buf, int buf_size, int nb_channels,
     for (i=0; channel_layout_map[i].name; i++)
         if (nb_channels    == channel_layout_map[i].nb_channels &&
             channel_layout == channel_layout_map[i].layout) {
-            snprintf(buf, buf_size, channel_layout_map[i].name);
+            av_strlcpy(buf, channel_layout_map[i].name, buf_size);
             return;
         }