diff --git a/shared-module/board/__init__.c b/shared-module/board/__init__.c
index 2f1c34e565..5d45d58b43 100644
--- a/shared-module/board/__init__.c
+++ b/shared-module/board/__init__.c
@@ -60,7 +60,7 @@ mp_obj_t common_hal_board_create_i2c(void) {
     busio_i2c_obj_t *self = &i2c_obj;
     self->base.type = &busio_i2c_type;
 
-    common_hal_busio_i2c_construct(self, DEFAULT_I2C_BUS_SCL, DEFAULT_I2C_BUS_SDA, 100000, 0);
+    common_hal_busio_i2c_construct(self, DEFAULT_I2C_BUS_SCL, DEFAULT_I2C_BUS_SDA, 100000, 255);
     i2c_singleton = (mp_obj_t)self;
     return i2c_singleton;
 }