diff --git a/internal/datacoord/meta.go b/internal/datacoord/meta.go
index e691853b91..2a460574b4 100644
--- a/internal/datacoord/meta.go
+++ b/internal/datacoord/meta.go
@@ -264,9 +264,9 @@ func (m *meta) GetCollectionBinlogSize() (int64, map[UniqueID]int64) {
 		if isSegmentHealthy(segment) {
 			total += segmentSize
 			collectionBinlogSize[segment.GetCollectionID()] += segmentSize
+			metrics.DataCoordStoredBinlogSize.WithLabelValues(
+				fmt.Sprint(segment.GetCollectionID()), fmt.Sprint(segment.GetID())).Set(float64(segmentSize))
 		}
-		metrics.DataCoordStoredBinlogSize.WithLabelValues(
-			fmt.Sprint(segment.GetCollectionID()), fmt.Sprint(segment.GetID())).Set(float64(segmentSize))
 	}
 	return total, collectionBinlogSize
 }
diff --git a/pkg/metrics/datacoord_metrics.go b/pkg/metrics/datacoord_metrics.go
index f6efae92ac..4496048c46 100644
--- a/pkg/metrics/datacoord_metrics.go
+++ b/pkg/metrics/datacoord_metrics.go
@@ -95,7 +95,7 @@ var (
 			Namespace: milvusNamespace,
 			Subsystem: typeutil.DataCoordRole,
 			Name:      "stored_binlog_size",
-			Help:      "binlog size of segments",
+			Help:      "binlog size of healthy segments",
 		}, []string{
 			collectionIDLabelName,
 			segmentIDLabelName,