diff --git a/einterfaces/metrics.go b/einterfaces/metrics.go
index 3f709eb99d..7c2c60a143 100644
--- a/einterfaces/metrics.go
+++ b/einterfaces/metrics.go
@@ -20,6 +20,7 @@ type MetricsInterface interface {
 
 	IncrementClusterRequest()
 	ObserveClusterRequestDuration(elapsed float64)
+	IncrementClusterEventType(eventType string)
 
 	IncrementLogin()
 	IncrementLoginFail()