diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index e40948edb8..e6a815107b 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1222,6 +1222,8 @@ static int mov_write_chnl_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *tra
     if (ret || !config) {
         config = 0;
         speaker_pos = av_malloc(layout->nb_channels);
+        if (!speaker_pos)
+            return AVERROR(ENOMEM);
         ret = ff_mov_get_channel_positions_from_layout(layout,
                 speaker_pos, layout->nb_channels);
         if (ret) {