diff --git a/satellite/gc/piecetracker.go b/satellite/gc/piecetracker.go
index cdbf8e3ea..29f4f874f 100644
--- a/satellite/gc/piecetracker.go
+++ b/satellite/gc/piecetracker.go
@@ -38,7 +38,7 @@ func NewPieceTracker(log *zap.Logger, config Config, pieceCounts map[storj.NodeI
 		creationDate: time.Now().UTC(),
 		pieceCounts:  pieceCounts,
 
-		retainInfos: make(map[storj.NodeID]*RetainInfo),
+		retainInfos: make(map[storj.NodeID]*RetainInfo, len(pieceCounts)),
 	}
 }