diff --git a/firmware/config/engines/custom_engine.cpp b/firmware/config/engines/custom_engine.cpp
index 7048edf46b..2d608e859c 100644
--- a/firmware/config/engines/custom_engine.cpp
+++ b/firmware/config/engines/custom_engine.cpp
@@ -780,7 +780,7 @@ void setHellenDefaultVrThresholds(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 }
 
 #if HW_HELLEN
-void setHellen144LedPins() {
+void setHellen144LedPins(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 #ifdef EFI_COMMUNICATION_PIN
 	engineConfiguration->communicationLedPin = EFI_COMMUNICATION_PIN;
 #else
@@ -790,7 +790,7 @@ void setHellen144LedPins() {
 	engineConfiguration->warningLedPin = GPIOE_8;
 }
 
-void setHellen176LedPins() {
+void setHellen176LedPins(DECLARE_CONFIG_PARAMETER_SIGNATURE) {
 #ifdef EFI_COMMUNICATION_PIN
 	engineConfiguration->communicationLedPin = EFI_COMMUNICATION_PIN;
 #else
diff --git a/firmware/config/engines/custom_engine.h b/firmware/config/engines/custom_engine.h
index b7e6d6cddf..c8cc45d6c4 100644
--- a/firmware/config/engines/custom_engine.h
+++ b/firmware/config/engines/custom_engine.h
@@ -36,5 +36,5 @@ void setHellen72etb(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 void setRotary(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 void setVrThresholdTest(DECLARE_CONFIG_PARAMETER_SIGNATURE);
 
-void setHellen144LedPins();
-void setHellen176LedPins();
+void setHellen144LedPins(DECLARE_CONFIG_PARAMETER_SIGNATURE);
+void setHellen176LedPins(DECLARE_CONFIG_PARAMETER_SIGNATURE);