=== modified file 'overlay/scripts/update_profiles'
--- overlay/scripts/update_profiles	2013-05-16 14:38:23 +0000
+++ overlay/scripts/update_profiles	2013-05-16 14:13:33 +0000
@@ -11,7 +11,7 @@
 			(*)  scan_profile "$d/$parent";;
 		esac
 	done < "$d/parent"
-	[[ -r "$d/package.set" ]] && package_set=( "$d/package.set" $package_set )
+	[[ -r "$d/package.set" ]] && package_set+=( "$d/package.set" )
 }
 
 scan_profile "$ROOT/etc/portage/make.profile"