diff --git a/lib/storage/search.go b/lib/storage/search.go
index 4cdbe80fb..3f855f97a 100644
--- a/lib/storage/search.go
+++ b/lib/storage/search.go
@@ -130,6 +130,9 @@ type Search struct {
 
 	ts tableSearch
 
+	// tr contains time range used in the serach.
+	tr TimeRange
+
 	// tfss contains tag filters used in the search.
 	tfss []*TagFilters
 
@@ -149,6 +152,7 @@ func (s *Search) reset() {
 
 	s.storage = nil
 	s.ts.reset()
+	s.tr = TimeRange{}
 	s.tfss = nil
 	s.deadline = 0
 	s.err = nil
@@ -167,6 +171,7 @@ func (s *Search) Init(storage *Storage, tfss []*TagFilters, tr TimeRange, maxMet
 	}
 
 	s.reset()
+	s.tr = tr
 	s.tfss = tfss
 	s.deadline = deadline
 	s.needClosing = true
@@ -203,7 +208,7 @@ func (s *Search) Error() error {
 	if s.err == io.EOF || s.err == nil {
 		return nil
 	}
-	return fmt.Errorf("error when searching for tagFilters=%s: %w", s.tfss, s.err)
+	return fmt.Errorf("error when searching for tagFilters=%s on the time range %s: %w", s.tfss, s.tr.String(), s.err)
 }
 
 // NextMetricBlock proceeds to the next MetricBlockRef.