diff --git a/crates/peer_binary_protocol/src/extended/ut_pex.rs b/crates/peer_binary_protocol/src/extended/ut_pex.rs
index 149e8c0..73698f2 100644
--- a/crates/peer_binary_protocol/src/extended/ut_pex.rs
+++ b/crates/peer_binary_protocol/src/extended/ut_pex.rs
@@ -6,12 +6,21 @@ use clone_to_owned::CloneToOwned;
 use itertools::{EitherOrBoth, Itertools};
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug)]
 pub struct PexPeerInfo {
     pub flags: u8,
     pub addr: SocketAddr,
 }
 
+impl core::fmt::Debug for PexPeerInfo {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.addr)?;
+        if self.flags != 0 {
+            write!(f, ";flags={}", self.flags)?;
+        }
+        Ok(())
+    }
+}
+
 #[derive(Serialize, Default, Deserialize)]
 pub struct UtPex<B> {
     added: B,