diff --git a/common/recipes-phosphor/obmc-phosphor-initfs/files/obmc-init.sh b/common/recipes-phosphor/obmc-phosphor-initfs/files/obmc-init.sh
index 7953176..2e8467c 100644
--- a/common/recipes-phosphor/obmc-phosphor-initfs/files/obmc-init.sh
+++ b/common/recipes-phosphor/obmc-phosphor-initfs/files/obmc-init.sh
@@ -164,6 +164,11 @@
 	fsck=$fsckbase$rwfst
 fi
 
+if grep -w overlay-filesystem-in-ram $optfile
+then
+	rwfst=none
+fi
+
 if test -s /run/image-rofs
 then
 	rodev=/run/image-rofs