diff --git a/builds/armel/rootfs/builds/Makefile b/builds/armel/rootfs/builds/Makefile
index 46d1ce72..a83c7d3e 100644
--- a/builds/armel/rootfs/builds/Makefile
+++ b/builds/armel/rootfs/builds/Makefile
@@ -4,7 +4,9 @@ include $(ONL)/make/config.armel.mk
 # Default to include all available powerpc platforms.
 # You override this with you own list or yaml file.
 #
+ifndef PLATFORM_LIST
 export PLATFORM_LIST=$(shell onlpm --list-platforms --arch armel --csv )
+endif
 
 RFS_CONFIG := $(ONL)/builds/any/rootfs/$(ONL_DEBIAN_SUITE)/standard/standard.yml
 RFS_DIR := rootfs-armel.d