diff --git a/packages/modules/internal_chargepoint_handler/chargepoint_module.py b/packages/modules/internal_chargepoint_handler/chargepoint_module.py
index 77376312de..91cb192b00 100644
--- a/packages/modules/internal_chargepoint_handler/chargepoint_module.py
+++ b/packages/modules/internal_chargepoint_handler/chargepoint_module.py
@@ -153,6 +153,7 @@ def perform_phase_switch(self, phases_to_use: int) -> None:
         time.sleep(5)
         GPIO.output(gpio_cp, GPIO.LOW)  # CP on
         time.sleep(1)
+        self.old_phases_in_use = phases_to_use
 
     def perform_cp_interruption(self, duration: int) -> None:
         gpio_cp = self._client.get_pins_cp_interruption()