diff --git a/plinth/modules/ejabberd/__init__.py b/plinth/modules/ejabberd/__init__.py
index 41a5418e7..8e3c2d052 100644
--- a/plinth/modules/ejabberd/__init__.py
+++ b/plinth/modules/ejabberd/__init__.py
@@ -128,6 +128,9 @@ class EjabberdApp(app_module.App):
         turn = EjabberdTurnConsumer('turn-ejabberd')
         self.add(turn)
 
+    @staticmethod
+    def post_init():
+        """Perform post initialization operations."""
         pre_hostname_change.connect(on_pre_hostname_change)
         post_hostname_change.connect(on_post_hostname_change)
         domain_added.connect(on_domain_added)