diff --git a/pgp/pgpplugin.py b/pgp/pgpplugin.py
index 8dc15d5..652a3fe 100644
--- a/pgp/pgpplugin.py
+++ b/pgp/pgpplugin.py
@@ -73,6 +73,7 @@ class OldPGPPlugin(GajimPlugin):
             return
         self.config_dialog = None
         self.encryption_name = 'PGP'
+        self.allow_zeroconf = True
         self.gui_extension_points = {
             'encrypt' + self.encryption_name: (self._encrypt_message, None),
             'decrypt': (self._message_received, None),