diff --git a/nrf5/boards/pca10040/mpconfigboard.h b/nrf5/boards/pca10040/mpconfigboard.h
index b4791b8689..fcb62a5fe6 100644
--- a/nrf5/boards/pca10040/mpconfigboard.h
+++ b/nrf5/boards/pca10040/mpconfigboard.h
@@ -34,7 +34,7 @@
 #define MICROPY_PY_MACHINE_HW_SPI   (1)
 #define MICROPY_PY_MACHINE_TIMER    (1)
 #define MICROPY_PY_MACHINE_RTC      (1)
-#define MICROPY_PY_MACHINE_HW_I2C   (1)
+#define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
 
 #define MICROPY_PY_DISPLAY                  (1)