diff --git a/subsys/dfu/boot/mcuboot.c b/subsys/dfu/boot/mcuboot.c
index 18c10eba7b8..6ed86650a83 100644
--- a/subsys/dfu/boot/mcuboot.c
+++ b/subsys/dfu/boot/mcuboot.c
@@ -497,7 +497,11 @@ int boot_erase_img_bank(u32_t bank_offset)
 static int boot_init(struct device *dev)
 {
 	ARG_UNUSED(dev);
+#if defined(DT_FLASH_DEV_NAME)
 	flash_dev = device_get_binding(DT_FLASH_DEV_NAME);
+#elif defined(DT_SPI_NOR_DRV_NAME)
+	flash_dev = device_get_binding(DT_SPI_NOR_DRV_NAME);
+#endif
 	if (!flash_dev) {
 		return -ENODEV;
 	}
diff --git a/subsys/usb/class/usb_dfu.c b/subsys/usb/class/usb_dfu.c
index 4baaff5a0c4..4bde860d4e5 100644
--- a/subsys/usb/class/usb_dfu.c
+++ b/subsys/usb/class/usb_dfu.c
@@ -685,7 +685,11 @@ static int usb_dfu_init(struct device *dev)
 
 	ARG_UNUSED(dev);
 
+#if defined(DT_FLASH_DEV_NAME)
 	dfu_data.flash_dev = device_get_binding(DT_FLASH_DEV_NAME);
+#elif defined(DT_SPI_NOR_DRV_NAME)
+	dfu_data.flash_dev = device_get_binding(DT_SPI_NOR_DRV_NAME);
+#endif
 	if (!dfu_data.flash_dev) {
 		LOG_ERR("Flash device not found\n");
 		return -ENODEV;