diff --git a/CHANGELOG_PENDING.md b/CHANGELOG_PENDING.md
index bed71d1f3..6a3d6f00d 100644
--- a/CHANGELOG_PENDING.md
+++ b/CHANGELOG_PENDING.md
@@ -48,3 +48,4 @@ timeoutPrecommit before starting next round
 - [common/bit_array] Fixed a bug in the `Or` function
 - [common/bit_array] Fixed a bug in the `Sub` function (@bradyjoestar)
 - [common] \#2534 make bit array's PickRandom choose uniformly from true bits
+- [p2p] \#2555 fix p2p switch FlushThrottle value (@goolAdapter)
diff --git a/p2p/switch.go b/p2p/switch.go
index dbef56ebf..8325d7e82 100644
--- a/p2p/switch.go
+++ b/p2p/switch.go
@@ -103,7 +103,7 @@ func NewSwitch(
 	sw.rng = cmn.NewRand()
 
 	mConfig := conn.DefaultMConnConfig()
-	mConfig.FlushThrottle = time.Duration(cfg.FlushThrottleTimeout) * time.Millisecond
+	mConfig.FlushThrottle = cfg.FlushThrottleTimeout
 	mConfig.SendRate = cfg.SendRate
 	mConfig.RecvRate = cfg.RecvRate
 	mConfig.MaxPacketMsgPayloadSize = cfg.MaxPacketMsgPayloadSize