diff --git a/scenes/Connections.gd b/scenes/Connections.gd
index 7c29592..93b3326 100644
--- a/scenes/Connections.gd
+++ b/scenes/Connections.gd
@@ -6,15 +6,13 @@ class Connection extends Reference:
     var domain: String
     var bare_jid: String
     var jid: String
-    var id_counter: int = 0
+    var _id_counter: int = 0
 
     func generate_id() -> int:
-        self.id_counter += 1
-        return hash(self.id_counter)
+        self._id_counter += 1
+        return hash(self._id_counter)
 
 func establish_new_connection(domain: String, identity: String, password: String) -> Connection:
-    ## XMPP uses unidirectional pipes for communication, which means
-    ## multiple connections are open over different predefined ports.
     var stream := StreamPeerTCP.new()
     if stream.connect_to_host(domain, 5222) != OK:
         push_error("Cannot establish client->server pipe to " + domain)
@@ -245,7 +243,7 @@ func _bind_resource(connection: Connection, resource: String = "tochie-facade")
         <resource>{resource}</resource>
     </bind></iq>""".format({
         "id": iq_id,
-        "resource": resource
+        "resource": resource.xml_escape()
     }).to_utf8()) != OK:
         return ERR_CONNECTION_ERROR