diff --git a/build.sh b/build.sh
index 0a0bb6d7ce..6a10f9f5aa 100755
--- a/build.sh
+++ b/build.sh
@@ -173,13 +173,13 @@ while test "$1" != ""; do
 	shift
 done
 
+# Suck in local vars
+. ${BUILDER_TOOLS}/builder_defaults.sh
+
 # Let user define ARCH_LIST in build.conf
 [ -z "${ARCH_LIST}" -a -n "${DEFAULT_ARCH_LIST}" ] \
 	&& ARCH_LIST="${DEFAULT_ARCH_LIST}"
 
-# Suck in local vars
-. ${BUILDER_TOOLS}/builder_defaults.sh
-
 # Suck in script helper functions
 . ${BUILDER_TOOLS}/builder_common.sh