diff --git a/js/misc/modemManager.js b/js/misc/modemManager.js
index 4cc810bbb..0de0b24e2 100644
--- a/js/misc/modemManager.js
+++ b/js/misc/modemManager.js
@@ -223,7 +223,7 @@ var BroadbandModem = GObject.registerClass({
 }, class BroadbandModem extends ModemBase {
     _init(path, capabilities) {
         super._init({ capabilities });
-        this._proxy = new BroadbandModemProxy(Gio.DBus.system, 'org.freedesktop.ModemManager', path);
+        this._proxy = new BroadbandModemProxy(Gio.DBus.system, 'org.freedesktop.ModemManager1', path);
         this._proxy_3gpp = new BroadbandModem3gppProxy(Gio.DBus.system, 'org.freedesktop.ModemManager1', path);
         this._proxy_cdma = new BroadbandModemCdmaProxy(Gio.DBus.system, 'org.freedesktop.ModemManager1', path);