diff --git a/ESP32_AP-Flasher/platformio.ini b/ESP32_AP-Flasher/platformio.ini
index 583d59cf..7870a598 100644
--- a/ESP32_AP-Flasher/platformio.ini
+++ b/ESP32_AP-Flasher/platformio.ini
@@ -404,6 +404,7 @@ build_flags =
 	-D SERIAL_FLASHER_BOOT_HOLD_TIME_MS=50
 	-D SERIAL_FLASHER_RESET_HOLD_TIME_MS=100
 	-D C6_OTA_FLASHING
+	-D HAS_SUBGHZ
 build_src_filter = 
 	+<*>-<usbflasher.cpp>-<swd.cpp>-<webflasher.cpp>
 board_build.flash_mode=qio