diff --git a/storage/local/persistence.go b/storage/local/persistence.go
index 5702c8e57..590a6256a 100644
--- a/storage/local/persistence.go
+++ b/storage/local/persistence.go
@@ -505,6 +505,7 @@ func (p *persistence) checkpointSeriesMapAndHeads(fingerprintToSeries *seriesMap
 	}
 
 	defer func() {
+		f.Sync()
 		closeErr := f.Close()
 		if err != nil {
 			return