diff --git a/app/src/gen3/talent.py b/app/src/gen3/talent.py
index 292dfdf..c025d70 100644
--- a/app/src/gen3/talent.py
+++ b/app/src/gen3/talent.py
@@ -100,7 +100,7 @@ class Talent(Message):
 
             if serial_no in inverters:
                 inv = inverters[serial_no]
-                self._set_config_parms(inv)
+                self._set_config_parms(inv, serial_no)
                 self.db.set_pv_module_details(inv)
                 logger.debug(f'SerialNo {serial_no} allowed! area:{self.sug_area}')  # noqa: E501
             else:
diff --git a/app/src/gen3plus/solarman_v5.py b/app/src/gen3plus/solarman_v5.py
index 7c8b997..38d9eb9 100644
--- a/app/src/gen3plus/solarman_v5.py
+++ b/app/src/gen3plus/solarman_v5.py
@@ -393,7 +393,7 @@ class SolarmanV5(SolarmanBase):
 
     def _set_config_parms(self, inv: dict, serial_no: str = ""):
         '''init connection with params from the configuration'''
-        super()._set_config_parms(inv)
+        super()._set_config_parms(inv, serial_no)
         snr = serial_no[:3]
         if '410' == snr:
             self.db.set_db_def_value(Register.EQUIPMENT_MODEL,