diff --git a/CHANGELOG_PENDING.md b/CHANGELOG_PENDING.md
index c62099fdb..435c491c7 100644
--- a/CHANGELOG_PENDING.md
+++ b/CHANGELOG_PENDING.md
@@ -18,5 +18,7 @@
 
 ### IMPROVEMENTS
 
+- [consensus] \#9760 Save peer LastCommit correctly to achieve 50% reduction in gossiped precommits. (@williambanfield)
+
 ### BUG FIXES
 
diff --git a/consensus/reactor.go b/consensus/reactor.go
index e052f197a..bcd61675a 100644
--- a/consensus/reactor.go
+++ b/consensus/reactor.go
@@ -1375,6 +1375,7 @@ func (ps *PeerState) ApplyNewRoundStepMessage(msg *NewRoundStepMessage) {
 	psRound := ps.PRS.Round
 	psCatchupCommitRound := ps.PRS.CatchupCommitRound
 	psCatchupCommit := ps.PRS.CatchupCommit
+	lastPrecommits := ps.PRS.Precommits
 
 	startTime := tmtime.Now().Add(-1 * time.Duration(msg.SecondsSinceStartTime) * time.Second)
 	ps.PRS.Height = msg.Height
@@ -1402,7 +1403,7 @@ func (ps *PeerState) ApplyNewRoundStepMessage(msg *NewRoundStepMessage) {
 		// Shift Precommits to LastCommit.
 		if psHeight+1 == msg.Height && psRound == msg.LastCommitRound {
 			ps.PRS.LastCommitRound = msg.LastCommitRound
-			ps.PRS.LastCommit = ps.PRS.Precommits
+			ps.PRS.LastCommit = lastPrecommits
 		} else {
 			ps.PRS.LastCommitRound = msg.LastCommitRound
 			ps.PRS.LastCommit = nil