diff --git a/src/mainboard/google/skyrim/chromeos.fmd b/src/mainboard/google/skyrim/chromeos.fmd
index 12ad05f5ee..81d15b3452 100644
--- a/src/mainboard/google/skyrim/chromeos.fmd
+++ b/src/mainboard/google/skyrim/chromeos.fmd
@@ -20,7 +20,7 @@ FLASH 16M {
 		}
 		RW_VPD(PRESERVE) 8K
 		RW_NVRAM(PRESERVE) 20K
-		SMMSTORE(PRESERVE)@0x630000 256K
+		SMMSTORE(PRESERVE)@0x630000 512K
 		RW_VBIOS_CACHE 64K
 		RECOVERY_MRC_CACHE(PRESERVE) 120K
 		RW_LEGACY(CBFS)