diff --git a/src/mainboard/google/guybrush/Kconfig b/src/mainboard/google/guybrush/Kconfig
index 40460e2dbd..21ffe75fbc 100644
--- a/src/mainboard/google/guybrush/Kconfig
+++ b/src/mainboard/google/guybrush/Kconfig
@@ -9,6 +9,10 @@ config BOARD_SPECIFIC_OPTIONS
 	def_bool y
 	select SOC_AMD_CEZANNE
 
+config FMDFILE
+	string
+	default "src/mainboard/\$(CONFIG_MAINBOARD_DIR)/chromeos.fmd"
+
 config MAINBOARD_DIR
 	string
 	default "google/guybrush"