diff --git a/src/mainboard/intel/Clearwater/Config b/src/mainboard/intel/Clearwater/Config
index bd1aabe2e0..993f339b3c 100644
--- a/src/mainboard/intel/Clearwater/Config
+++ b/src/mainboard/intel/Clearwater/Config
@@ -270,12 +270,17 @@ option PYRO_SERIAL=1
 ##
 expr USE_OPTION_TABLE=!USE_FALLBACK_IMAGE
 
+##
+## how much size to allow for the fallback image. Default value
+##
+
+option FALLBACK_IMAGE_SIZE=65536
 ##
 ## Compute the location and size of where this firmware image
 ## (linuxBIOS plus bootloader) will live in the boot rom chip.
 ##
-expr ROM_SECTION_SIZE  =(USE_FALLBACK_IMAGE*65536)+(USE_NORMAL_IMAGE*(ROM_SIZE - 65536))
-expr ROM_SECTION_OFFSET=(USE_FALLBACK_IMAGE*(ROM_SIZE-65536))+(USE_NORMAL_IMAGE*0)
+expr ROM_SECTION_SIZE  =(USE_FALLBACK_IMAGE*FALLBACK_IMAGE_SIZE)+(USE_NORMAL_IMAGE*(ROM_SIZE - FALLBACK_IMAGE_SIZE))
+expr ROM_SECTION_OFFSET=(USE_FALLBACK_IMAGE*(ROM_SIZE-FALLBACK_IMAGE_SIZE))+(USE_NORMAL_IMAGE*0)
 
 
 ##