diff --git a/boot/zephyr/Kconfig b/boot/zephyr/Kconfig
index 4fdd48f..241b201 100644
--- a/boot/zephyr/Kconfig
+++ b/boot/zephyr/Kconfig
@@ -222,6 +222,7 @@
 
 config BOOT_SERIAL_DETECT_PIN
 	int "Pin to trigger serial recovery mode"
+	default 6 if BOARD_NRF9160_PCA10090
 	default 11 if BOARD_NRF52840_PCA10056
 	default 13 if BOARD_NRF52_PCA10040
 	help