diff --git a/firmware/controllers/algo/engine.cpp b/firmware/controllers/algo/engine.cpp
index 87593e1d2e..47bb5c33fc 100644
--- a/firmware/controllers/algo/engine.cpp
+++ b/firmware/controllers/algo/engine.cpp
@@ -288,7 +288,7 @@ void Engine::updateSlowSensors(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
 				fuelLevelVoltage);
 	}
 
-	sensors.vBatt = Sensor::get(SensorType::BatteryVoltage).value_or(12);
+	sensors.vBatt = Sensor::get(SensorType::BatteryVoltage).value_or(VBAT_FALLBACK_VALUE);
 
 #if (BOARD_TLE8888_COUNT > 0)
 	// nasty value injection into C driver which would not be able to access Engine class
diff --git a/firmware/controllers/algo/engine_parts.h b/firmware/controllers/algo/engine_parts.h
index 581b08a839..1bb92e2434 100644
--- a/firmware/controllers/algo/engine_parts.h
+++ b/firmware/controllers/algo/engine_parts.h
@@ -36,7 +36,7 @@ public:
 
 	Accelerometer accelerometer;
 
-	// todo: remove this variable, replace with Sensor::get(SensorType::vbatt).value_or(VBAT_FALLBACK_VALUE)
+	// todo: remove this variable, replace with Sensor::get(SensorType::BatteryVoltage).value_or(VBAT_FALLBACK_VALUE)
 	// todo: https://github.com/rusefi/rusefi/issues/2260
 	float vBatt = 0;
 	/**
diff --git a/firmware/controllers/sensors/sensor_type.h b/firmware/controllers/sensors/sensor_type.h
index d2b1368e94..c499a545be 100644
--- a/firmware/controllers/sensors/sensor_type.h
+++ b/firmware/controllers/sensors/sensor_type.h
@@ -8,6 +8,8 @@
 
 #pragma once
 
+#define VBAT_FALLBACK_VALUE 12
+
 /**
  **************************************
  * SEE sensor.h ON HOW TO ADD NEW SENSOR TYPES