Fix bug #488

src/sakia/gui/certification.py

@@ -83,6 +83,7 @@ class CertificationDialog(QObject):
         :return:
         """
         dialog = cls(app, account, password_asker, QDialog(), Ui_CertificationDialog())
+        if community:
             dialog.ui.combo_community.setCurrentText(community.name)
         dialog.refresh()
         return dialog.exec()