diff --git a/logs_service/services.py b/logs_service/services.py
index 3af830f..2973bab 100644
--- a/logs_service/services.py
+++ b/logs_service/services.py
@@ -95,6 +95,9 @@ class MbTankService(MbService):
     def _init_state(self):
         pass
 
+    def _check_need_save(self):
+        return True
+
     def _push_current_state(self):
         record = MbTankRecord(radar_raw=self._curr_state['radar'],
                               level=self._curr_state['level'],