diff --git a/firmware/config/boards/hellen/hellen72/board_configuration.cpp b/firmware/config/boards/hellen/hellen72/board_configuration.cpp
index 9a68998ceb..59f766a20c 100644
--- a/firmware/config/boards/hellen/hellen72/board_configuration.cpp
+++ b/firmware/config/boards/hellen/hellen72/board_configuration.cpp
@@ -76,7 +76,7 @@ static void setupVbatt() {
 	engineConfiguration->vbattDividerCoeff = (33 + 6.8) / 6.8; // 5.835
 
 	// pin input +12 from Main Relay
-	engineConfiguration->vbattAdcChannel = EFI_ADC_NONE; // EFI_ADC_5 on ADC3
+	engineConfiguration->vbattAdcChannel = EFI_ADC_5; // 4T
 
 	engineConfiguration->adcVcc = 3.29f;
 }