diff --git a/src/mainboard/google/guybrush/Kconfig b/src/mainboard/google/guybrush/Kconfig
index 21ffe75fbc..da7a0aa52a 100644
--- a/src/mainboard/google/guybrush/Kconfig
+++ b/src/mainboard/google/guybrush/Kconfig
@@ -7,6 +7,7 @@ if BOARD_GOOGLE_BASEBOARD_GUYBRUSH
 
 config BOARD_SPECIFIC_OPTIONS
 	def_bool y
+	select BOARD_ROMSIZE_KB_16384
 	select SOC_AMD_CEZANNE
 
 config FMDFILE