1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/swfenc.c b/libavformat/swfenc.c
index 2c8c034c42..75b892087f 100644
--- a/libavformat/swfenc.c
+++ b/libavformat/swfenc.c
@@ -481,8 +481,8 @@ static int swf_write_video(AVFormatContext *s,
     return 0;
 }
 
-static int swf_write_audio(AVFormatContext *s,
-                           AVCodecParameters *par, uint8_t *buf, int size)
+static int swf_write_audio(AVFormatContext *s, AVCodecParameters *par,
+                           const uint8_t *buf, int size)
 {
     SWFEncContext *swf = s->priv_data;