diff --git a/ffmpeg.c b/ffmpeg.c
index be18065413..66c80396ce 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -498,6 +498,9 @@ static void choose_sample_rate(AVStream *st, AVCodec *codec)
                 best= *p;
             }
         }
+        if(best_dist){
+            av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
+        }
         st->codec->sample_rate= best;
     }
 }