diff --git a/IDE/Renesas/e2studio/RZN2L/user_settings.h b/IDE/Renesas/e2studio/RZN2L/user_settings.h
index bc182a7b91..307e69f66d 100644
--- a/IDE/Renesas/e2studio/RZN2L/user_settings.h
+++ b/IDE/Renesas/e2studio/RZN2L/user_settings.h
@@ -30,6 +30,9 @@
 #define EXT_FLASH
 #define NO_XIP
 #define WOLFBOOT_DUALBOOT
+/* No onchip flash. BOOT and UPDATE partitions are on external.*/
+#define PART_BOOT_EXT
+#define PART_UPDATE_EXT
 
 /* For RSIP use, please enable the following line. */
 /* #define  WOLFBOOT_RENESAS_RSIP */