diff --git a/node/consensus/data/data_clock_consensus_engine.go b/node/consensus/data/data_clock_consensus_engine.go
index 01f8b34..34e3d95 100644
--- a/node/consensus/data/data_clock_consensus_engine.go
+++ b/node/consensus/data/data_clock_consensus_engine.go
@@ -423,6 +423,7 @@ func (e *DataClockConsensusEngine) Start() <-chan error {
 				time.Sleep(120 * time.Second)
 				continue
 			}
+			e.peerMapMx.RUnlock()
 
 			if nextFrame.FrameNumber < beaconInfo.maxFrame-100 {
 				time.Sleep(120 * time.Second)