diff --git a/js/ui/components/networkAgent.js b/js/ui/components/networkAgent.js
index 75f420373..60ebf9435 100644
--- a/js/ui/components/networkAgent.js
+++ b/js/ui/components/networkAgent.js
@@ -655,7 +655,7 @@ var NetworkAgent = new Lang.Class({
         switch (connectionType) {
         case '802-11-wireless':
             let wirelessSetting = connection.get_setting_wireless();
-            let ssid = NM.utils_ssid_to_utf8(wirelessSetting.get_ssid());
+            let ssid = NM.utils_ssid_to_utf8(wirelessSetting.get_ssid().get_data());
             title = _("Authentication required by wireless network");
             body = _("Passwords or encryption keys are required to access the wireless network “%s”.").format(ssid);
             break;