diff --git a/watchtower/lookout/lookout.go b/watchtower/lookout/lookout.go
index fc7baddec..1d9f911b3 100644
--- a/watchtower/lookout/lookout.go
+++ b/watchtower/lookout/lookout.go
@@ -68,7 +68,7 @@ func (l *Lookout) Start() error {
 	if startEpoch == nil {
 		log.Infof("Starting lookout from chain tip")
 	} else {
-		log.Infof("Starting lookout from epoch(height=%d hash=%x)",
+		log.Infof("Starting lookout from epoch(height=%d hash=%v)",
 			startEpoch.Height, startEpoch.Hash)
 	}