diff --git a/src/lib.rs b/src/lib.rs
index b6b0ad4..6705a33 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -125,10 +125,7 @@ impl Multiaddr {
 
     /// Like [`Multiaddr::push`] but consumes `self`.
     pub fn with(mut self, p: Protocol<'_>) -> Self {
-        let mut bytes = BytesMut::from(std::mem::take(&mut self.bytes));
-        p.write_bytes(&mut (&mut bytes).writer())
-            .expect("Writing to a `BytesMut` never fails.");
-        self.bytes = bytes.freeze();
+        self.push(p);
         self
     }
 
@@ -223,7 +220,7 @@ impl Multiaddr {
     /// Returns &str identifiers for the protocol names themselves.
     /// This omits specific info like addresses, ports, peer IDs, and the like.
     /// Example: `"/ip4/127.0.0.1/tcp/5001"` would return `["ip4", "tcp"]`
-    pub fn protocol_stack(&self) -> ProtoStackIter {
+    pub fn protocol_stack(&self) -> ProtoStackIter<'_> {
         ProtoStackIter { parts: self.iter() }
     }
 }