diff --git a/ports/espressif/boards/luatos_core_esp32c3/mpconfigboard.mk b/ports/espressif/boards/luatos_core_esp32c3/mpconfigboard.mk
index 29f1719153..e0df58f756 100644
--- a/ports/espressif/boards/luatos_core_esp32c3/mpconfigboard.mk
+++ b/ports/espressif/boards/luatos_core_esp32c3/mpconfigboard.mk
@@ -3,6 +3,6 @@ CIRCUITPY_CREATION_ID = 0x00C30001
 
 IDF_TARGET = esp32c3
 
-CIRCUITPY_ESP_FLASH_MODE=qio
+CIRCUITPY_ESP_FLASH_MODE=dio
 CIRCUITPY_ESP_FLASH_FREQ=80m
 CIRCUITPY_ESP_FLASH_SIZE=4MB
diff --git a/ports/espressif/boards/luatos_core_esp32c3/pins.c b/ports/espressif/boards/luatos_core_esp32c3/pins.c
index b472446fe2..f45205b5c3 100644
--- a/ports/espressif/boards/luatos_core_esp32c3/pins.c
+++ b/ports/espressif/boards/luatos_core_esp32c3/pins.c
@@ -24,7 +24,7 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_BOOT0), MP_ROM_PTR(&pin_GPIO9) },
     { MP_ROM_QSTR(MP_QSTR_BUTTON), MP_ROM_PTR(&pin_GPIO9) },
     { MP_ROM_QSTR(MP_QSTR_IO10), MP_ROM_PTR(&pin_GPIO10) },
-    { MP_ROM_QSTR(MP_QSTR_IO11), MP_ROM_PTR(&pin_GPIO11) },
+    // IO11 used internally on this board version despite being broken out to a pin
     { MP_ROM_QSTR(MP_QSTR_IO12), MP_ROM_PTR(&pin_GPIO12) },
     { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO12) },
     { MP_ROM_QSTR(MP_QSTR_IO13), MP_ROM_PTR(&pin_GPIO13) },