diff --git a/Sources/Verge/Library/EventEmitter.swift b/Sources/Verge/Library/EventEmitter.swift
index 0b835ead36..5a6597fc4b 100644
--- a/Sources/Verge/Library/EventEmitter.swift
+++ b/Sources/Verge/Library/EventEmitter.swift
@@ -110,6 +110,7 @@ open class EventEmitter<Event: EventEmitterEventType>: EventEmitterType, @unchec
         receiveEvent(event)
         
         for subscriber in capturedSubscribers {
+          vergeSignpostEvent("EventEmitter.emitForSubscriber")
           subscriber.1(event)
         }
         event.onComsume()