diff --git a/server/internal/websocket/session.go b/server/internal/websocket/session.go
index 899368d2..8288b2d4 100644
--- a/server/internal/websocket/session.go
+++ b/server/internal/websocket/session.go
@@ -25,7 +25,7 @@ func (h *MessageHandler) SessionCreated(id string, session types.Session) error
 
 		// if locked, notify admin about that
 		if h.locked {
-			if err := session.Send(message.MembersList{
+			if err := session.Send(message.Admin{
 				Event: event.ADMIN_LOCK,
 				ID:    id,
 			}); err != nil {