diff --git a/firmware/config/boards/microrusefi/board_configuration.cpp b/firmware/config/boards/microrusefi/board_configuration.cpp
index 6a7b1c3371..4332bf00aa 100644
--- a/firmware/config/boards/microrusefi/board_configuration.cpp
+++ b/firmware/config/boards/microrusefi/board_configuration.cpp
@@ -128,8 +128,8 @@ static void setupDefaultSensorInputs() {
 
 	engineConfiguration->iat.adcChannel = MRE_IN_IAT;
 
-	setCommonNTCSensor(&engineConfiguration->auxTempSensor1, 2700);
-	setCommonNTCSensor(&engineConfiguration->auxTempSensor2, 2700);
+	setCommonNTCSensor(&engineConfiguration->auxTempSensor1, MRE_DEFAULT_AT_PULLUP);
+	setCommonNTCSensor(&engineConfiguration->auxTempSensor2, MRE_DEFAULT_AT_PULLUP);
 
 #if HW_CHECK_MODE
 	engineConfiguration->auxTempSensor1.adcChannel = EFI_ADC_2;
diff --git a/firmware/config/boards/mre_meta.h b/firmware/config/boards/mre_meta.h
index 3fd74bd51d..6ff3a2ee1f 100644
--- a/firmware/config/boards/mre_meta.h
+++ b/firmware/config/boards/mre_meta.h
@@ -7,6 +7,8 @@
 
 #pragma once
 
+#define MRE_DEFAULT_AT_PULLUP 2700
+
 #define MRE_INJ_1 Gpio::TLE8888_PIN_1
 #define MRE_INJ_2 Gpio::TLE8888_PIN_2
 #define MRE_INJ_3 Gpio::TLE8888_PIN_3
diff --git a/firmware/config/boards/proteus/board_configuration.cpp b/firmware/config/boards/proteus/board_configuration.cpp
index d22d8703af..8c3db7fcee 100644
--- a/firmware/config/boards/proteus/board_configuration.cpp
+++ b/firmware/config/boards/proteus/board_configuration.cpp
@@ -139,8 +139,8 @@ void setBoardConfigOverrides() {
 	setLedPins();
 	setupVbatt();
 
-	engineConfiguration->clt.config.bias_resistor = 2700;
-	engineConfiguration->iat.config.bias_resistor = 2700;
+	engineConfiguration->clt.config.bias_resistor = PROTEUS_DEFAULT_AT_PULLUP;
+	engineConfiguration->iat.config.bias_resistor = PROTEUS_DEFAULT_AT_PULLUP;
 
 	engineConfiguration->canTxPin = Gpio::D1;
 	engineConfiguration->canRxPin = Gpio::D0;
diff --git a/firmware/config/boards/proteus_meta.h b/firmware/config/boards/proteus_meta.h
index 09c29ecf96..5a5fa41bb2 100644
--- a/firmware/config/boards/proteus_meta.h
+++ b/firmware/config/boards/proteus_meta.h
@@ -7,6 +7,8 @@
 
 #pragma once
 
+#define PROTEUS_DEFAULT_AT_PULLUP 2700
+
 #define PROTEUS_LS_1 Gpio::D7
 // pin 15/black35
 #define PROTEUS_LS_2 Gpio::G9