diff --git a/radio/src/targets/pl18/board.h b/radio/src/targets/pl18/board.h
index 3723ffbe2..20670c742 100644
--- a/radio/src/targets/pl18/board.h
+++ b/radio/src/targets/pl18/board.h
@@ -29,6 +29,10 @@
 #include "hal/serial_port.h"
 #include "hal/watchdog_driver.h"
 
+#ifdef ADC_GPIO_PIN_STICK_TH
+#define SURFACE_RADIO  true
+#endif
+
 #define FLASHSIZE                       0x200000
 #define FLASH_PAGESIZE                  256
 #define BOOTLOADER_SIZE                 0x20000