diff --git a/src/roster_window.py b/src/roster_window.py
index 0598abb70..f3a4bad66 100644
--- a/src/roster_window.py
+++ b/src/roster_window.py
@@ -2052,7 +2052,8 @@ class RosterWindow:
 		invite_to_submenu.append(invite_to_new_room_menuitem)
 		rooms = [] # a list of (room_jid, account) tuple
 		for gc_control in gajim.interface.msg_win_mgr.get_controls(
-		message_control.TYPE_GC):
+		message_control.TYPE_GC) + \
+		gajim.interface.minimized_controls[account].values():
 			acct = gc_control.account
 			room_jid = gc_control.room_jid
 			if gajim.gc_connected[acct].has_key(room_jid) and \