diff --git a/src/mainboard/google/rex/variants/rex0/gpio.c b/src/mainboard/google/rex/variants/rex0/gpio.c
index c90c0c11f9..d8450ee4df 100644
--- a/src/mainboard/google/rex/variants/rex0/gpio.c
+++ b/src/mainboard/google/rex/variants/rex0/gpio.c
@@ -492,6 +492,8 @@ const struct pad_config *variant_romstage_gpio_table(size_t *num)
 	}
 }
 
-static const struct cros_gpio cros_gpios[] = {};
+static const struct cros_gpio cros_gpios[] = {
+	CROS_GPIO_WP_AH(GPIO_PCH_WP, CROS_GPIO_DEVICE_NAME),
+};
 
 DECLARE_WEAK_CROS_GPIOS(cros_gpios);