diff --git a/ports/nrf/boards/pinetime/mpconfigboard.h b/ports/nrf/boards/pinetime/mpconfigboard.h
index 44713def5..a430e3bca 100644
--- a/ports/nrf/boards/pinetime/mpconfigboard.h
+++ b/ports/nrf/boards/pinetime/mpconfigboard.h
@@ -39,11 +39,19 @@
 #define MICROPY_PY_MACHINE_TEMP     (1)
 #define MICROPY_PY_RANDOM_HW_RNG    (1)
 #define MICROPY_PY_MACHINE_DFU_BOOTLOADER (1)
+#define MICROPY_PY_MACHINE_WDT      (1)
 
 #define MICROPY_HW_HAS_LED          (0)
 #define MICROPY_HW_LED_COUNT        (0)
 #define MICROPY_HW_LED_PULLUP       (0)
 
+// WDT config
+#define MICROPY_HW_HAS_WDT_BUTTON   (1)
+#define MICROPY_HW_WDT_BUTTON       (13)
+#define MICROPY_HW_WDT_BUTTON_ACTIVE (1) // active high
+#define MICROPY_HW_WDT_BUTTON_PULL  (0)  // no pull up/down
+#define MICROPY_HW_WDT_BUTTON_ENABLE (15) // no enable pin
+
 // UART config
 #define MICROPY_HW_UART1_RX         (17) /* not connected */
 #define MICROPY_HW_UART1_TX         (11)