diff --git a/metrics/sliding_time_window_array_sample.go b/metrics/sliding_time_window_array_sample.go
index 7c0d0ee673..2618e50ed6 100644
--- a/metrics/sliding_time_window_array_sample.go
+++ b/metrics/sliding_time_window_array_sample.go
@@ -104,6 +104,9 @@ func (s *SlidingTimeWindowArraySample) Snapshot() *sampleSnapshot {
 
 // Update samples a new value.
 func (s *SlidingTimeWindowArraySample) Update(v int64) {
+	if !metricsEnabled {
+		return
+	}
 	s.mutex.Lock()
 	defer s.mutex.Unlock()
 	var newTick int64