diff --git a/lib/ocpp/v201/charge_point.cpp b/lib/ocpp/v201/charge_point.cpp
index ffa7d6b60..3467b92f3 100644
--- a/lib/ocpp/v201/charge_point.cpp
+++ b/lib/ocpp/v201/charge_point.cpp
@@ -213,6 +213,9 @@ void ChargePoint::start(BootReasonEnum bootreason) {
     this->load_charging_profiles();
     this->connectivity_manager->start();
 
+    const std::string firmware_version =
+        this->device_model->get_value<std::string>(ControllerComponentVariables::FirmwareVersion);
+
     if (this->bootreason == BootReasonEnum::RemoteReset) {
         this->security_event_notification_req(
             CiString<50>(ocpp::security_events::RESET_OR_REBOOT),
@@ -222,15 +225,16 @@ void ChargePoint::start(BootReasonEnum bootreason) {
             CiString<50>(ocpp::security_events::RESET_OR_REBOOT),
             std::optional<CiString<255>>("Charging Station rebooted due to a scheduled reset!"), true, true);
     } else if (this->bootreason == BootReasonEnum::PowerUp) {
-        std::string startup_message = "Charging Station powered up! Firmware version: ";
-        startup_message.append(
-            this->device_model->get_value<std::string>(ControllerComponentVariables::FirmwareVersion));
+        std::string startup_message = "Charging Station powered up! Firmware version: " + firmware_version;
         this->security_event_notification_req(CiString<50>(ocpp::security_events::STARTUP_OF_THE_DEVICE),
                                               std::optional<CiString<255>>(startup_message), true, true);
+    } else if (this->bootreason == BootReasonEnum::FirmwareUpdate) {
+        std::string startup_message =
+            "Charging station reboot after firmware update. Firmware version: " + firmware_version;
+        this->security_event_notification_req(CiString<50>(ocpp::security_events::FIRMWARE_UPDATED),
+                                              std::optional<CiString<255>>(startup_message), true, true);
     } else {
-        std::string startup_message = "Charging station reset or reboot. Firmware version: ";
-        startup_message.append(
-            this->device_model->get_value<std::string>(ControllerComponentVariables::FirmwareVersion));
+        std::string startup_message = "Charging station reset or reboot. Firmware version: " + firmware_version;
         this->security_event_notification_req(CiString<50>(ocpp::security_events::RESET_OR_REBOOT),
                                               std::optional<CiString<255>>(startup_message), true, true);
     }