diff --git a/src/mainboard/amd/solo/Config.lb b/src/mainboard/amd/solo/Config.lb
index 05b13fa7e9..6db6ba573f 100644
--- a/src/mainboard/amd/solo/Config.lb
+++ b/src/mainboard/amd/solo/Config.lb
@@ -15,6 +15,9 @@ uses _ROMBASE
 uses XIP_ROM_SIZE
 uses XIP_ROM_BASE
 
+## ROM_SIZE is the size of boot ROM that this board will use.
+default ROM_SIZE 524288
+
 ###
 ### Build options
 ###
@@ -67,9 +70,6 @@ option MAINBOARD_VENDOR="AMD"
 ### LinuxBIOS layout values
 ###
 
-## ROM_SIZE is the size of boot ROM that this board will use.
-option ROM_SIZE = 262144
-
 ## ROM_IMAGE_SIZE is the amount of space to allow linuxBIOS to occupy.
 option ROM_IMAGE_SIZE = 65536