diff --git a/Cargo.lock b/Cargo.lock
index c7f0092d8f..81c39a2055 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -558,6 +558,7 @@ dependencies = [
  "aes-ctr 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "blake2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "chacha 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "curve25519-dalek 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "hkdf 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/src/clients/mix.rs b/src/clients/mix.rs
index 77081fd4d8..22802482c6 100644
--- a/src/clients/mix.rs
+++ b/src/clients/mix.rs
@@ -34,7 +34,8 @@ mod sending_a_sphinx_packet {
         let message = "Hello, Sphinx!".as_bytes().to_vec();
         let mixes = directory.get_mixes();
         let destination = directory.get_destination();
-        let packet = SphinxPacket::new(message, &mixes, &destination);
+        let delays = sphinx::header::delays::generate(2);
+        let packet = SphinxPacket::new(message, &mixes, &destination, &delays).unwrap();
         let mix_client = MixClient::new();
         let first_hop = mixes.first().unwrap();
 
diff --git a/src/main.rs b/src/main.rs
index bb572b1f78..b44d8dd838 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,13 +13,15 @@ async fn main() {
     let directory = DirectoryClient::new();
     let route = directory.get_mixes();
     let destination = directory.get_destination();
+    let delays = sphinx::header::delays::generate(2);
 
     // build the packet
-    let packet = sphinx::SphinxPacket::new(message, &route[..], &destination);
+    let packet = sphinx::SphinxPacket::new(message, &route[..], &destination, &delays).unwrap();
 
     // send to mixnet
     let mix_client = MixClient::new();
     let result = mix_client.send(packet, route.first().unwrap()).await;
+    println!("packet sent");
 }