diff --git a/boards/xtensa/esp32s3/common/scripts/flat_memory.ld b/boards/xtensa/esp32s3/common/scripts/flat_memory.ld
index 34db789f615..531406969d5 100644
--- a/boards/xtensa/esp32s3/common/scripts/flat_memory.ld
+++ b/boards/xtensa/esp32s3/common/scripts/flat_memory.ld
@@ -66,6 +66,8 @@
 #  define FLASH_SIZE        0x800000
 #elif defined (CONFIG_ESP32S3_FLASH_16M)
 #  define FLASH_SIZE        0x1000000
+#elif defined (CONFIG_ESP32S3_FLASH_32M)
+#  define FLASH_SIZE        0x2000000
 #endif
 
 MEMORY
diff --git a/tools/esp32s3/Config.mk b/tools/esp32s3/Config.mk
index f3e7f007820..65d1ea38d04 100644
--- a/tools/esp32s3/Config.mk
+++ b/tools/esp32s3/Config.mk
@@ -28,6 +28,8 @@ else ifeq ($(CONFIG_ESP32S3_FLASH_8M),y)
 	FLASH_SIZE := 8MB
 else ifeq ($(CONFIG_ESP32S3_FLASH_16M),y)
 	FLASH_SIZE := 16MB
+else ifeq ($(CONFIG_ESP32S3_FLASH_32M),y)
+	FLASH_SIZE := 32MB
 endif
 
 ifeq ($(CONFIG_ESP32S3_FLASH_MODE_DIO),y)