diff --git a/src/mainboard/google/octopus/Kconfig b/src/mainboard/google/octopus/Kconfig
index 60c98c0974..656c6a39e1 100644
--- a/src/mainboard/google/octopus/Kconfig
+++ b/src/mainboard/google/octopus/Kconfig
@@ -45,9 +45,9 @@ config DEVICETREE
 
 config MAINBOARD_PART_NUMBER
 	string
-	default "yorp" if BOARD_GOOGLE_YORP
-	default "bip" if BOARD_GOOGLE_BIP
-	default "octopus" if BOARD_GOOGLE_OCTOPUS
+	default "Yorp" if BOARD_GOOGLE_YORP
+	default "Bip" if BOARD_GOOGLE_BIP
+	default "Octopus" if BOARD_GOOGLE_OCTOPUS
 
 config MAINBOARD_FAMILY
 	string