diff --git a/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/pins.c b/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/pins.c
index 0cefb6dfbc..645dc12a1b 100644
--- a/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/pins.c
+++ b/ports/esp32s2/boards/adafruit_magtag_2.9_grayscale/pins.c
@@ -49,6 +49,8 @@ STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
     { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
 
-    { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].epaper_display)}
+    { MP_ROM_QSTR(MP_QSTR_DISPLAY), MP_ROM_PTR(&displays[0].epaper_display)},
+
+    { MP_ROM_QSTR(MP_QSTR_ACCELEROMETER_INTERRUPT), MP_ROM_PTR(&pin_GPIO9) },
 };
 MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);