diff --git a/raft/raft.go b/raft/raft.go
index b4c0f0248ca..634d02e5e51 100644
--- a/raft/raft.go
+++ b/raft/raft.go
@@ -662,6 +662,7 @@ func (r *raft) becomePreCandidate() {
 	// r.Term or change r.Vote.
 	r.step = stepCandidate
 	r.votes = make(map[uint64]bool)
+	r.lead = None
 	r.tick = r.tickElection
 	r.state = StatePreCandidate
 	r.logger.Infof("%x became pre-candidate at term %d", r.id, r.Term)