diff --git a/playback/src/audio_backend/jackaudio.rs b/playback/src/audio_backend/jackaudio.rs
index ed6ae1f7..7449cc11 100644
--- a/playback/src/audio_backend/jackaudio.rs
+++ b/playback/src/audio_backend/jackaudio.rs
@@ -53,7 +53,7 @@ impl Open for JackSink {
         let ch_r = client.register_port("out_0", AudioOut::default()).unwrap();
         let ch_l = client.register_port("out_1", AudioOut::default()).unwrap();
         // buffer for samples from librespot (~10ms)
-        let (tx, rx) = sync_channel::<f32>(NUM_CHANNELS as usize * 1024 * format.size());
+        let (tx, rx) = sync_channel::<f32>(NUM_CHANNELS as usize * 1024 * AudioFormat::F32.size());
         let jack_data = JackData {
             rec: rx,
             port_l: ch_l,