def do_POST_condition(self, condition: Condition) -> str:
         """Update/insert Condition of ?id= and fields defined in postvars."""
         try:
-            is_active = self._form_data.get_str('is_active') == 'True'
             title = self._form_data.get_str('title')
             description = self._form_data.get_str('description')
         except NotFoundException as e:
             raise BadFormatException(e) from e
-        condition.is_active = is_active
+        condition.is_active = self._form_data.get_bool('is_active')
         condition.title.set(title)
         condition.description.set(description)
         condition.save(self.conn)