diff --git a/ports/espressif/boards/espressif_hmi_devkit_1/pins.c b/ports/espressif/boards/espressif_hmi_devkit_1/pins.c
index 7e201e163f..ad3b32e4e4 100644
--- a/ports/espressif/boards/espressif_hmi_devkit_1/pins.c
+++ b/ports/espressif/boards/espressif_hmi_devkit_1/pins.c
@@ -3,7 +3,7 @@
 
 STATIC const mp_rom_obj_tuple_t lcd_data_tuple = {
     {&mp_type_tuple},
-    8,
+    16,
     {
         MP_ROM_PTR(&pin_GPIO1),
         MP_ROM_PTR(&pin_GPIO10),