diff --git a/firmware/config/boards/hellen/alphax-4chan/board_configuration.cpp b/firmware/config/boards/hellen/alphax-4chan/board_configuration.cpp
index 859adb9a32..49beb0fe06 100644
--- a/firmware/config/boards/hellen/alphax-4chan/board_configuration.cpp
+++ b/firmware/config/boards/hellen/alphax-4chan/board_configuration.cpp
@@ -49,9 +49,9 @@ static void setupEtb() {
 	// PWM pin
 	engineConfiguration->etbIo[0].controlPin = H144_OUT_PWM2;
 	// DIR pin
-	engineConfiguration->etbIo[0].directionPin1 = H144_OUT_IO1;
+	engineConfiguration->etbIo[0].directionPin1 = H144_GP1;
 	// Disable pin
-	engineConfiguration->etbIo[0].disablePin = H144_OUT_IO2;
+	engineConfiguration->etbIo[0].disablePin = H144_GP2;
 	// Unused
 	engineConfiguration->etbIo[0].directionPin2 = GPIO_UNASSIGNED;
 
diff --git a/firmware/config/boards/hellen_meta.h b/firmware/config/boards/hellen_meta.h
index 52fd7eba2b..0c3b8ca621 100644
--- a/firmware/config/boards/hellen_meta.h
+++ b/firmware/config/boards/hellen_meta.h
@@ -57,6 +57,12 @@ void detectHellenBoardType();
 #define H144_OUT_PWM8 GPIOD_12
 
 
+// also IO1/IO5 on rev 0.6
+#define H144_GP1 GPIOD_4
+// also IO2/IO5 on rev 0.6
+#define H144_GP2 GPIOD_7
+
+
 #define H144_OUT_IO1 GPIOD_3
 #define H144_OUT_IO2 GPIOA_9
 #define H144_OUT_IO3 GPIOG_14