diff --git a/examples/transcode-audio.rs b/examples/transcode-audio.rs
index ff12858..14930ca 100644
--- a/examples/transcode-audio.rs
+++ b/examples/transcode-audio.rs
@@ -50,7 +50,7 @@ fn transcoder<P: AsRef<Path>>(ictx: &mut format::context::Input, octx: &mut form
 	let codec   = try!(ffmpeg::encoder::find(octx.format().codec(path, media::Type::Audio)).expect("failed to find encoder").audio());
 	let global  = octx.format().flags().contains(ffmpeg::format::flag::GLOBAL_HEADER);
 
-	let mut output  = octx.add_stream(&codec);
+	let mut output  = try!(octx.add_stream(codec));
 	let mut encoder = try!(output.codec().encoder().audio());
 
 	let channel_layout = codec.channel_layouts()
@@ -71,7 +71,7 @@ fn transcoder<P: AsRef<Path>>(ictx: &mut format::context::Input, octx: &mut form
 	encoder.set_time_base((1, decoder.rate() as i32));
 	output.set_time_base((1, decoder.rate() as i32));
 
-	let encoder = try!(encoder.open_as(&codec));
+	let encoder = try!(encoder.open_as(codec));
 	let filter  = try!(filter(filter_spec, &decoder, &encoder));
 
 	Ok(Transcoder {