diff --git a/metrics/resetting_timer.go b/metrics/resetting_timer.go
index 228963dc94..858984a32c 100644
--- a/metrics/resetting_timer.go
+++ b/metrics/resetting_timer.go
@@ -62,7 +62,7 @@ func (NilResettingTimer) Values() []int64 { return nil }
 func (NilResettingTimer) Snapshot() ResettingTimer { return NilResettingTimer{} }
 
 // Time is a no-op.
-func (NilResettingTimer) Time(func()) {}
+func (NilResettingTimer) Time(f func()) { f() }
 
 // Update is a no-op.
 func (NilResettingTimer) Update(time.Duration) {}