diff --git a/examples/transcode-audio.rs b/examples/transcode-audio.rs
index a575a98..deac4ea 100644
--- a/examples/transcode-audio.rs
+++ b/examples/transcode-audio.rs
@@ -4,7 +4,6 @@ use std::env;
 use std::path::Path;
 
 use ffmpeg::{format, codec, frame, media, filter};
-use ffmpeg::option::Settable;
 use ffmpeg::{rescale, Rescale};
 
 fn filter(spec: &str, decoder: &codec::decoder::Audio, encoder: &codec::encoder::Audio) -> Result<filter::Graph, ffmpeg::Error> {
@@ -51,7 +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);
 
-	try!(decoder.set_parameters(input.parameters()));
+	try!(decoder.set_parameters(&input.parameters()));
 
 	let mut output  = try!(octx.add_stream(codec));
 	let mut encoder = try!(output.codec().encoder().audio());