diff --git a/tsdb/head_wal.go b/tsdb/head_wal.go
index 975aeb99e3..d7e0b3b21b 100644
--- a/tsdb/head_wal.go
+++ b/tsdb/head_wal.go
@@ -1030,7 +1030,7 @@ func (wp *wblSubsetProcessor) processWBLSamples(h *Head) (unknownRefs, unknownHi
 				unknownHistogramRefs++
 				continue
 			}
-			if s.t <= ms.mmMaxTime {
+			if s.t <= ms.mmMaxTime() {
 				continue
 			}
 			var chunkCreated bool