diff --git a/sat/plugins/plugin_xep_0329.py b/sat/plugins/plugin_xep_0329.py
index ffa6073d..26428ed5 100644
--- a/sat/plugins/plugin_xep_0329.py
+++ b/sat/plugins/plugin_xep_0329.py
@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 
 # SAT plugin for File Information Sharing (XEP-0329)
 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
diff --git a/sat_frontends/quick_frontend/quick_app.py b/sat_frontends/quick_frontend/quick_app.py
index ecd730d3..2d9faee4 100644
--- a/sat_frontends/quick_frontend/quick_app.py
+++ b/sat_frontends/quick_frontend/quick_app.py
@@ -349,13 +349,7 @@ class QuickApp(object):
         log.warning(_("Can't retrieve encryption plugins: {msg}").format(msg=failure_))
 
     def onBridgeConnected(self):
-        self.bridge.namespacesGet(
-            callback=self._namespacesGetCb, errback=self._namespacesGetEb)
-        # we cache available encryption plugins, as we'll use them on earch
-        # new chat widget
-        self.bridge.encryptionPluginsGet(
-            callback=self._encryptionPluginsGetCb,
-            errback=self._encryptionPluginsGetEb)
+        self.bridge.getReady(self.onBackendReady)
 
     def _bridgeCb(self):
         self.registerSignal("connected")
@@ -400,6 +394,17 @@ class QuickApp(object):
         else:
             print((_("Error while initialising bridge: {}".format(failure))))
 
+    def onBackendReady(self):
+        log.info("backend is ready")
+        self.bridge.namespacesGet(
+            callback=self._namespacesGetCb, errback=self._namespacesGetEb)
+        # we cache available encryption plugins, as we'll use them on each
+        # new chat widget
+        self.bridge.encryptionPluginsGet(
+            callback=self._encryptionPluginsGetCb,
+            errback=self._encryptionPluginsGetEb)
+
+
     @property
     def current_profile(self):
         """Profile that a user would expect to use"""