diff --git a/boot/zephyr/Kconfig b/boot/zephyr/Kconfig
index e08ea74..0d0bed3 100644
--- a/boot/zephyr/Kconfig
+++ b/boot/zephyr/Kconfig
@@ -452,7 +452,8 @@
 	default 6 if BOARD_NRF9160DK_NRF9160
 	default 11 if BOARD_NRF52840DK_NRF52840
 	default 13 if BOARD_NRF52DK_NRF52832
-	default 23 if BOARD_NRF5340PDK_NRF5340_CPUAPP || BOARD_NRF5340PDK_NRF5340_CPUAPPNS
+	default 23 if BOARD_NRF5340PDK_NRF5340_CPUAPP || BOARD_NRF5340PDK_NRF5340_CPUAPPNS || \
+		BOARD_NRF5340DK_NRF5340_CPUAPP || BOARD_NRF5340DK_NRF5340_CPUAPPNS
 	help
 	  Pin on the serial detect port which triggers serial recovery mode.