diff --git a/firmware/config/boards/hellen/hellen-nb1/board_configuration.cpp b/firmware/config/boards/hellen/hellen-nb1/board_configuration.cpp
index 7468b7ed99..81ec71625f 100644
--- a/firmware/config/boards/hellen/hellen-nb1/board_configuration.cpp
+++ b/firmware/config/boards/hellen/hellen-nb1/board_configuration.cpp
@@ -133,6 +133,7 @@ void setBoardDefaultConfiguration(void) {
 	engineConfiguration->mainRelayPin = GPIOI_2;	// OUT_LOW3
     engineConfiguration->tachOutputPin = H144_OUT_PWM1;
 	engineConfiguration->alternatorControlPin = H144_OUT_PWM7;
+	engineConfiguration->fan2Pin = H144_OUT_IO2;
 
 	// "required" hardware is done - set some reasonable defaults
 	setupDefaultSensorInputs();