diff --git a/firmware/config/boards/hellen/hellen-112-mg1/board.mk b/firmware/config/boards/hellen/hellen-112-mg1/board.mk
index cc2f09f22d..98162af71a 100644
--- a/firmware/config/boards/hellen/hellen-112-mg1/board.mk
+++ b/firmware/config/boards/hellen/hellen-112-mg1/board.mk
@@ -13,10 +13,16 @@ DDEFS += -DEFI_MAIN_RELAY_CONTROL=TRUE
 
 # Add them all together
 DDEFS += -DFIRMWARE_ID=\"hellen-112-mg1\" $(VAR_DEF_ENGINE_TYPE)
-#DDEFS += -DEFI_SOFTWARE_KNOCK=TRUE -DSTM32_ADC_USE_ADC3=TRUE
+DDEFS += -DEFI_SOFTWARE_KNOCK=TRUE -DSTM32_ADC_USE_ADC3=TRUE
+DDEFS += -DBOARD_MC33810_COUNT=1
 
 SHORT_BOARD_NAME=hellen-112-mg1
 
-DDEFS += -DHELLEN_BOARD_ID_DEBUG
+# DDEFS += -DHELLEN_BOARD_ID_DEBUG
+
+
+ifeq ($(PROJECT_CPU),ARCH_STM32F7)
+    USE_OPT += -Wl,--defsym=FLASH_SIZE=768k
+endif
 
 include $(BOARDS_DIR)/hellen/hellen-common100.mk