diff --git a/src/lib/version.c b/src/lib/version.c
index 404f50d..2c84c4a 100644
--- a/src/lib/version.c
+++ b/src/lib/version.c
@@ -1,10 +1,10 @@
 #include <version.h>
 
-#ifndef MAINBOARD_VENDOR
-#error MAINBOARD_VENDOR not defined
+#ifndef CONFIG_MAINBOARD_VENDOR
+#error CONFIG_MAINBOARD_VENDOR not defined
 #endif
-#ifndef MAINBOARD_PART_NUMBER
-#error  MAINBOARD_PART_NUMBER not defined
+#ifndef CONFIG_MAINBOARD_PART_NUMBER
+#error  CONFIG_MAINBOARD_PART_NUMBER not defined
 #endif
 
 #ifndef COREBOOT_VERSION
@@ -39,8 +39,8 @@
 #define COREBOOT_EXTRA_VERSION ""
 #endif
 
-const char mainboard_vendor[] = MAINBOARD_VENDOR;
-const char mainboard_part_number[] = MAINBOARD_PART_NUMBER;
+const char mainboard_vendor[] = CONFIG_MAINBOARD_VENDOR;
+const char mainboard_part_number[] = CONFIG_MAINBOARD_PART_NUMBER;
 
 const char coreboot_version[] = COREBOOT_VERSION;
 const char coreboot_extra_version[] = COREBOOT_EXTRA_VERSION;