diff --git a/generate_config.sh b/generate_config.sh
index 5fb9858dc..7f5db304e 100755
--- a/generate_config.sh
+++ b/generate_config.sh
@@ -170,6 +170,8 @@ DOVEADM_PORT=127.0.0.1:19991
 SQL_PORT=127.0.0.1:13306
 SOLR_PORT=127.0.0.1:18983
 REDIS_PORT=127.0.0.1:7654
+XMPP_C22_PORT=5222
+XMPP_S2S_PORT=5269
 
 # Your timezone
 # See https://en.wikipedia.org/wiki/List_of_tz_database_time_zones for a list of timezones