diff --git a/boot/zephyr/flash_map_extended.c b/boot/zephyr/flash_map_extended.c
index b2de884..4723af1 100644
--- a/boot/zephyr/flash_map_extended.c
+++ b/boot/zephyr/flash_map_extended.c
@@ -17,7 +17,7 @@
 
 MCUBOOT_LOG_MODULE_DECLARE(mcuboot);
 
-#if (!defined(CONFIG_XTENSA) && defined(DT_FLASH_DEV_NAME))
+#if (!defined(CONFIG_XTENSA) && defined(DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL))
 #define FLASH_DEVICE_ID SOC_FLASH_0_ID
 #define FLASH_DEVICE_BASE CONFIG_FLASH_BASE_ADDRESS
 #elif (defined(CONFIG_XTENSA) && defined(DT_JEDEC_SPI_NOR_0_LABEL))
diff --git a/boot/zephyr/include/target.h b/boot/zephyr/include/target.h
index 57a412b..794f40f 100644
--- a/boot/zephyr/include/target.h
+++ b/boot/zephyr/include/target.h
@@ -28,7 +28,7 @@
 /*
  * Sanity check the target support.
  */
-#if (!defined(CONFIG_XTENSA) && !defined(DT_FLASH_DEV_NAME)) || \
+#if (!defined(CONFIG_XTENSA) && !defined(DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL)) || \
     (defined(CONFIG_XTENSA) && !defined(DT_JEDEC_SPI_NOR_0_LABEL)) || \
     !defined(FLASH_ALIGN) ||                  \
     !defined(DT_FLASH_AREA_IMAGE_0_OFFSET) || \
diff --git a/boot/zephyr/main.c b/boot/zephyr/main.c
index 978d517..ce62851 100644
--- a/boot/zephyr/main.c
+++ b/boot/zephyr/main.c
@@ -277,9 +277,10 @@
 
     ZEPHYR_BOOT_LOG_START();
 
-#if (!defined(CONFIG_XTENSA) && defined(DT_FLASH_DEV_NAME))
-    if (!flash_device_get_binding(DT_FLASH_DEV_NAME)) {
-        BOOT_LOG_ERR("Flash device %s not found", DT_FLASH_DEV_NAME);
+#if (!defined(CONFIG_XTENSA) && defined(DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL))
+    if (!flash_device_get_binding(DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL)) {
+        BOOT_LOG_ERR("Flash device %s not found",
+		     DT_CHOSEN_ZEPHYR_FLASH_CONTROLLER_LABEL);
         while (1)
             ;
     }