diff --git a/docker-entrypoint-initdb.d/00-main.sh b/docker-entrypoint-initdb.d/00-main.sh
index 97cee22..d16836a 100755
--- a/docker-entrypoint-initdb.d/00-main.sh
+++ b/docker-entrypoint-initdb.d/00-main.sh
@@ -77,6 +77,7 @@ else
     sleep 300
   done
   /usr/lib/postgresql/15/bin/repmgr -h pg-0 -U repmgr -f /etc/repmgr.conf standby clone
+  /usr/lib/postgresql/15/bin/repmgr -f /etc/repmgr.conf standby register
 
   docker_temp_server_start