diff --git a/meta-witherspoon/recipes-phosphor/images/obmc-phosphor-image.bbappend b/meta-witherspoon/recipes-phosphor/images/obmc-phosphor-image.bbappend
index fa330be..b7eeb89 100644
--- a/meta-witherspoon/recipes-phosphor/images/obmc-phosphor-image.bbappend
+++ b/meta-witherspoon/recipes-phosphor/images/obmc-phosphor-image.bbappend
@@ -1 +1 @@
-OBMC_IMAGE_EXTRA_INSTALL_append = " fan-default-speed"
+OBMC_IMAGE_EXTRA_INSTALL_append = " fan-default-speed mboxd"
diff --git a/meta-witherspoon/recipes-phosphor/mboxd/mboxd.bbappend b/meta-witherspoon/recipes-phosphor/mboxd/mboxd.bbappend
new file mode 100644
index 0000000..8b6248a
--- /dev/null
+++ b/meta-witherspoon/recipes-phosphor/mboxd/mboxd.bbappend
@@ -0,0 +1 @@
+MBOXD_FLASH_SIZE = "64M"