diff --git a/doc/examples/encode_audio.c b/doc/examples/encode_audio.c
index f3bb102d51..4f6371e328 100644
--- a/doc/examples/encode_audio.c
+++ b/doc/examples/encode_audio.c
@@ -222,4 +222,6 @@ int main(int argc, char **argv)
 
     av_frame_free(&frame);
     avcodec_free_context(&c);
+
+    return 0;
 }