diff --git a/ports/espressif/boards/adafruit_esp32s2_camera/pins.c b/ports/espressif/boards/adafruit_esp32s2_camera/pins.c
index 0c899840f4..63e656d4ed 100644
--- a/ports/espressif/boards/adafruit_esp32s2_camera/pins.c
+++ b/ports/espressif/boards/adafruit_esp32s2_camera/pins.c
@@ -36,6 +36,7 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
 
     { MP_ROM_QSTR(MP_QSTR_SPEAKER), MP_ROM_PTR(&pin_GPIO45) },
 
+    { MP_ROM_QSTR(MP_QSTR_BUTTON), MP_ROM_PTR(&pin_GPIO0) },
     { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO2) },
 
     { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO17) },