diff --git a/install-zammad.sh b/install-zammad.sh
index 3d76c4f..0556988 100644
--- a/install-zammad.sh
+++ b/install-zammad.sh
@@ -5,10 +5,10 @@ set -e
 echo "installing zammad..."
 
 # crreate zammad user
-useradd -M -d /home/zammad -s /bin/bash zammad
+useradd -M -d "${ZAMMAD_DIR}" -s /bin/bash zammad
 
 # # git clone zammad
-cd /home
+cd $(dirname ${ZAMMAD_DIR})
 git clone --depth 1 -b "${GIT_BRANCH}" "${GIT_URL}"
 
 # install zammad