diff --git a/files/pagure.cfg.sample b/files/pagure.cfg.sample
index ac2045a..263dc78 100644
--- a/files/pagure.cfg.sample
+++ b/files/pagure.cfg.sample
@@ -129,6 +129,10 @@ EVENTSOURCE_SOURCE = None
 REDIS_HOST = '0.0.0.0'
 REDIS_PORT = 6379
 REDIS_DB = 0
+# Port where the event source server is running (maybe be the same port
+# as the one specified in EVENTSOURCE_SOURCE or a different one if you
+# have something running in front of the server such as apache or stunnel).
+EVENTSOURCE_PORT = 8080
 
 
 # Authentication related configuration option