diff --git a/run.sh b/run.sh
index 5e8b7f5..7439fe1 100755
--- a/run.sh
+++ b/run.sh
@@ -23,7 +23,7 @@ docker run \
 -e FULL_NAME="${FULL_NAME}" \
 -e EMAIL_ADDRESS="${EMAIL_ADDRESS}" \
 -e GPG_PASSWORD="${GPG_PASSWORD}" \
--e HOSTNAME=${HOSTNAME} \
+-e HOSTNAME="${HOSTNAME}" \
 -v ${APTLY_DATADIR}:/opt/aptly \
 -p ${DOCKER_HOST_PORT}:80 \
 ${LATESTIMAGE}