@@ -73,7 +73,7 @@ static int config_input(AVFilterLink *inlink)

     StereoWidenContext *s = ctx->priv;

     s->length = 2 * s->delay * inlink->sample_rate / 1000;

-    s->buffer = av_calloc(s->length, sizeof(s->buffer));

+    s->buffer = av_calloc(s->length, sizeof(*s->buffer));

     if (!s->buffer)

         return AVERROR(ENOMEM);

     s->write = s->buffer;