diff --git a/api/service/stagedstreamsync/staged_stream_sync.go b/api/service/stagedstreamsync/staged_stream_sync.go
index 786f59779..5abe45b54 100644
--- a/api/service/stagedstreamsync/staged_stream_sync.go
+++ b/api/service/stagedstreamsync/staged_stream_sync.go
@@ -102,9 +102,9 @@ type Timing struct {
 }
 
 type SyncCycle struct {
-	Number        uint64
-	TargetHeight  uint64
-	lock          sync.RWMutex
+	Number       uint64
+	TargetHeight uint64
+	lock         sync.RWMutex
 }
 
 func (s *StagedStreamSync) Len() int                    { return len(s.stages) }