diff --git a/ports/raspberrypi/boards/adafruit_kb2040/pins.c b/ports/raspberrypi/boards/adafruit_kb2040/pins.c
index e36346a0dd..34e13fb6c7 100644
--- a/ports/raspberrypi/boards/adafruit_kb2040/pins.c
+++ b/ports/raspberrypi/boards/adafruit_kb2040/pins.c
@@ -8,6 +8,7 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO28) },
     { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO29) },
 
+    { MP_ROM_QSTR(MP_QSTR_CLK), MP_ROM_PTR(&pin_GPIO18) },
     { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO18) },
     { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO19) },
     { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO20) },