diff --git a/src/common/zeroconf/connection_zeroconf.py b/src/common/zeroconf/connection_zeroconf.py
index c1e7ef938..6b4299271 100644
--- a/src/common/zeroconf/connection_zeroconf.py
+++ b/src/common/zeroconf/connection_zeroconf.py
@@ -315,6 +315,7 @@ class ConnectionZeroconf(ConnectionHandlersZeroconf):
 				check = self.connection.announce()
 			else:
 				self.connected = STATUS_LIST.index(show)
+			self.dispatch('SIGNED_IN', ())
 
 		# 'disconnect'
 		elif show == 'offline' and self.connected:
diff --git a/src/roster_window.py b/src/roster_window.py
index 99dd80b85..72536e33d 100644
--- a/src/roster_window.py
+++ b/src/roster_window.py
@@ -875,7 +875,7 @@ class RosterWindow:
 			privacy_lists_menuitem.set_sensitive(False)
 
 		if gajim.connections[account].is_zeroconf:
-			send_single_message_menuitem.set_sensitive(False)
+			send_single_message_menuitem.set_sensitive(True)
 			administrator_menuitem.set_sensitive(False)
 			send_server_message_menuitem.set_sensitive(False)
 			set_motd_menuitem.set_sensitive(False)