diff --git a/firmware/config/boards/s105/board.mk b/firmware/config/boards/s105/board.mk
index e905687728..8e362f2c12 100644
--- a/firmware/config/boards/s105/board.mk
+++ b/firmware/config/boards/s105/board.mk
@@ -32,7 +32,7 @@ USE_FATFS = no
 # see EFI_CONSOLE_TX_PORT for default PA9/PA10
 # debug console
 DDEFS += -DTS_PRIMARY_UxART_PORT=SD1
-DDEFS += -DEFI_CONSOLE_TX_BRAIN_PIN=Gpio::PA9 -DEFI_CONSOLE_RX_BRAIN_PIN=Gpio::PA10
+DDEFS += -DEFI_CONSOLE_TX_BRAIN_PIN=Gpio::A9 -DEFI_CONSOLE_RX_BRAIN_PIN=Gpio::A10
 
 DDEFS += -DFIRMWARE_ID=\"s105\"
 DDEFS += -DDEFAULT_ENGINE_TYPE=MINIMAL_PINS