diff --git a/ffmpeg.c b/ffmpeg.c
index d7a1480e1d..9a1e043795 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2513,7 +2513,7 @@ void prepare_play(void)
             fprintf(stderr, "Could not find audio device\n");
             exit(1);
         }
-        opt_output_file(audio_device);
+        opt_output_file(audio_device?audio_device:"/dev/dsp0");
     }
 
     if (has_video) {