diff --git a/builds/amd64/rootfs/builds/Makefile b/builds/amd64/rootfs/builds/Makefile
index ff82e96e..fd30ad83 100644
--- a/builds/amd64/rootfs/builds/Makefile
+++ b/builds/amd64/rootfs/builds/Makefile
@@ -4,7 +4,9 @@ include $(ONL)/make/config.amd64.mk
 # Default to include all available amd64 platforms.
 # You override this with you own list or yaml file.
 #
+ifndef PLATFORM_LIST
 export PLATFORM_LIST=$(shell onlpm --list-platforms --arch amd64 --csv )
+endif
 
 RFS_CONFIG := $(ONL)/builds/any/rootfs/$(ONL_DEBIAN_SUITE)/standard/standard.yml
 RFS_DIR := rootfs-amd64.d
@@ -12,5 +14,3 @@ RFS_CPIO := rootfs-amd64.cpio.gz
 RFS_SQUASH := rootfs-amd64.sqsh
 
 include $(ONL)/make/rfs.mk
-
-