1 files changed, 2 insertions, 1 deletions
diff --git a/mplayer.c b/mplayer.c
index 4a36afd2f2..8386bb1afd 100644
--- a/mplayer.c
+++ b/mplayer.c
@@ -1373,7 +1373,8 @@ static void print_status(struct MPContext *mpctx, double a_pos, bool at_frame)
  * \param sh_audio describes the requested input format of the chain.
  * \param ao_data describes the requested output format of the chain.
  */
-int build_afilter_chain(struct MPContext *mpctx, sh_audio_t *sh_audio, ao_data_t *ao_data)
+static int build_afilter_chain(struct MPContext *mpctx, sh_audio_t *sh_audio,
+                               ao_data_t *ao_data)
 {
     struct MPOpts *opts = &mpctx->opts;
   int new_srate;