diff --git a/board/chell/board.h b/board/chell/board.h
index c2aa7e6f45..c2cd17b7fd 100644
--- a/board/chell/board.h
+++ b/board/chell/board.h
@@ -69,7 +69,7 @@
 #define CONFIG_SPI_FLASH_PORT 1
 #define CONFIG_SPI_FLASH
 #define CONFIG_FLASH_SIZE 524288
-#define CONFIG_SPI_FLASH_W25Q64
+#define CONFIG_SPI_FLASH_W25X40
 
 #define CONFIG_TEMP_SENSOR
 #define CONFIG_TEMP_SENSOR_BD99992GW