diff --git a/service/bfg/bfg.go b/service/bfg/bfg.go
index a5ca7233..04c83f1b 100644
--- a/service/bfg/bfg.go
+++ b/service/bfg/bfg.go
@@ -318,10 +318,12 @@ func (s *Server) tipChangeChecker(ctx context.Context) {
 				continue
 			}
 
-			log.Tracef("checking for missing blocks, walking from tip %d to %d", height, s.cfg.BTCStartHeight)
+			log.Tracef("checking for missing blocks, walking from tip %d to %d or first known block from tip", height, s.cfg.BTCStartHeight)
 
 			for height > s.cfg.BTCStartHeight {
 				err := s.processBitcoinBlock(ctx, height, true)
+
+				// we have seen this block, done walking back
 				if errors.Is(err, database.ErrDuplicate) {
 					log.Tracef("block is already found, exiting")
 					break