diff --git a/build.sh b/build.sh
index 1e00ecb..24a9f40 100755
--- a/build.sh
+++ b/build.sh
@@ -2,7 +2,7 @@
 set -eoux pipefail
 
 if [[ -z ${1:-} ]] && [[ -n ${CI:-} ]]; then
-  echo "Usage: ./build.sh \$VERSION_SHORT"
+  echo 'Usage: ./build.sh $VERSION_SHORT'
   exit 1
 elif [[ $CI == true ]]; then
   VERSION_SHORT="$1"
@@ -41,8 +41,7 @@ else
   fi
 fi
 
-# shellcheck disable=SC2086
-docker build . -t $TAGS
+docker build . -t "${TAGS[@]}"
 docker images
 
 # only push when: