diff --git a/ohmpi/hardware_components/mb_2023_0_X.py b/ohmpi/hardware_components/mb_2023_0_X.py
index b900f80f7ba0a06bcac09c9af3aa91cda4a10e9d..3ef4fe87f2e1ff4feb492891ee50d0971010936a 100644
--- a/ohmpi/hardware_components/mb_2023_0_X.py
+++ b/ohmpi/hardware_components/mb_2023_0_X.py
@@ -191,7 +191,7 @@ class Tx(TxAbstract):
         assert self.adc_voltage_min / (50 * self.r_shunt)  <= value <= self.adc_voltage_max / (50 * self.r_shunt)
         self.exec_logger.warning(f'Current pulse is not implemented for the {self.board_name} board')
 
-    def gain_auto(self, value):
+    def gain_auto(self):
         self._adc_gain_auto()
 
     def inject(self, polarity=1, injection_duration=None):
diff --git a/ohmpi/hardware_system.py b/ohmpi/hardware_system.py
index cce7c7938b445104aa9c130abb3445ad4b0fdb7c..1c94aa2e7387abdaea2f1ab9b8efb9307b2a3bbf 100644
--- a/ohmpi/hardware_system.py
+++ b/ohmpi/hardware_system.py
@@ -179,12 +179,12 @@ class OhmPiHardware:
             # self.tx_sync.wait()
             # set gains automatically
             injection = Thread(target=self._inject, kwargs={'injection_duration': 0.2, 'polarity': pol})
-            self.tx.gain_auto()
             tx_gains.append(self.tx.gain)
-            readings = Thread(target=self._read_values)
-            readings.start()
+            # readings = Thread(target=self._read_values)
+            get_gain = Thread(target=self.tx.gain_auto)
+            get_gain.start()
             injection.start()
-            readings.join()
+            get_gain.join()
             injection.join()
             v = self.readings[:, 2] != 0
             current = max(current, np.mean(self.readings[v, 3]))