diff --git a/src/rpc/election.rs b/src/rpc/election.rs
index e690c24..c428ec6 100644
--- a/src/rpc/election.rs
+++ b/src/rpc/election.rs
@@ -455,6 +455,13 @@ impl LeaderKey {
     }
 }
 
+impl Default for LeaderKey {
+    #[inline]
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl From<LeaderKey> for PbLeaderKey {
     #[inline]
     fn from(leader_key: LeaderKey) -> Self {