diff --git a/build.sh b/build.sh
index ae5a6344a..87e596862 100755
--- a/build.sh
+++ b/build.sh
@@ -2,6 +2,9 @@
 set -e
 PROJECT=$(<.project)
 NAMES=$(find cmd/* -type d | xargs -n1 basename)
+if [ ! -z "$1" ]; then
+	NAMES="$1"
+fi
 for NAME in $NAMES; do
 	OSES=${OSS:-"linux"}
 	ARCHS=${ARCHS:-"amd64"}