diff --git a/tests-ng/update.sh b/tests-ng/update.sh
new file mode 100755
index 0000000..00ac397
--- /dev/null
+++ b/tests-ng/update.sh
@@ -0,0 +1,128 @@
+#!/usr/bin/env bash
+# author: deadc0de6 (https://github.com/deadc0de6)
+# Copyright (c) 2017, deadc0de6
+#
+# test updates
+# returns 1 in case of error
+#
+
+# exit on first error
+set -e
+
+# all this crap to get current path
+rl="readlink -f"
+if ! ${rl} "${0}" >/dev/null 2>&1; then
+  rl="realpath"
+
+  if ! hash ${rl}; then
+    echo "\"${rl}\" not found !" && exit 1
+  fi
+fi
+cur=$(dirname "$(${rl} "${0}")")
+
+#hash dotdrop >/dev/null 2>&1
+#[ "$?" != "0" ] && echo "install dotdrop to run tests" && exit 1
+
+#echo "called with ${1}"
+
+# dotdrop path can be pass as argument
+ddpath="${cur}/../"
+[ "${1}" != "" ] && ddpath="${1}"
+[ ! -d ${ddpath} ] && echo "ddpath \"${ddpath}\" is not a directory" && exit 1
+
+export PYTHONPATH="${ddpath}:${PYTHONPATH}"
+bin="python3 -m dotdrop.dotdrop"
+
+echo "dotdrop path: ${ddpath}"
+echo "pythonpath: ${PYTHONPATH}"
+
+# get the helpers
+source ${cur}/helpers
+
+echo "RUNNING $(basename $BASH_SOURCE)"
+
+################################################################
+# this is the test
+################################################################
+
+# dotdrop directory
+basedir=`mktemp -d`
+echo "[+] dotdrop dir: ${basedir}"
+echo "[+] dotpath dir: ${basedir}/dotfiles"
+
+# the dotfile to be imported
+tmpd=`mktemp -d`
+
+# single file
+echo 'unique' > ${tmpd}/uniquefile
+
+# hierarchy from https://pymotw.com/2/filecmp/
+# create the hierarchy
+# for dir1 (originally imported directory))))
+mkdir ${tmpd}/dir1
+touch ${tmpd}/dir1/file_only_in_dir1
+mkdir -p ${tmpd}/dir1/dir_only_in_dir1
+mkdir -p ${tmpd}/dir1/common_dir
+echo 'this file is the same' > ${tmpd}/dir1/common_file
+echo 'in dir1' > ${tmpd}/dir1/not_the_same
+echo 'This is a file in dir1' > ${tmpd}/dir1/file_in_dir1
+mkdir -p ${tmpd}/dir1/sub/sub2
+echo 'first' > ${tmpd}/dir1/sub/sub2/different
+tree ${tmpd}/dir1
+
+# create the hierarchy
+# for dir2 (modified original for update)
+mkdir ${tmpd}/dir2
+touch ${tmpd}/dir2/file_only_in_dir2
+mkdir -p ${tmpd}/dir2/dir_only_in_dir2
+mkdir -p ${tmpd}/dir2/common_dir
+echo 'this file is the same' > ${tmpd}/dir2/common_file
+echo 'in dir2' > ${tmpd}/dir2/not_the_same
+mkdir -p ${tmpd}/dir2/file_in_dir1
+mkdir -p ${tmpd}/dir2/sub/sub2
+echo 'modified' > ${tmpd}/dir2/sub/sub2/different
+mkdir -p ${tmpd}/dir2/new/new2
+tree ${tmpd}/dir2
+
+# create the config file
+cfg="${basedir}/config.yaml"
+create_conf ${cfg} # sets token
+
+# import dir1
+echo "[+] import"
+cd ${ddpath} | ${bin} import -c ${cfg} ${tmpd}/dir1
+cd ${ddpath} | ${bin} import -c ${cfg} ${tmpd}/uniquefile
+
+# let's see the dotpath
+tree ${basedir}/dotfiles
+
+# change dir1 to dir2 in deployed
+echo "[+] change dir"
+rm -rf ${tmpd}/dir1
+mv ${tmpd}/dir2 ${tmpd}/dir1
+tree ${tmpd}/dir1
+
+# change unique file
+echo 'changed' > ${tmpd}/uniquefile
+
+# compare
+#echo "[+] comparing"
+#cd ${ddpath} | ${bin} compare -c ${cfg}
+
+# update
+echo "[+] updating"
+cd ${ddpath} | ${bin} update -c ${cfg} -f --verbose ${tmpd}/uniquefile ${tmpd}/dir1
+
+# manually update
+rm ${basedir}/dotfiles/${tmpd}/dir1/file_in_dir1
+mkdir -p ${basedir}/dotfiles/${tmpd}/dir1/file_in_dir1
+
+# ensure changes applied correctly
+diff ${tmpd}/dir1 ${basedir}/dotfiles/${tmpd}/dir1
+diff ${tmpd}/uniquefile ${basedir}/dotfiles/${tmpd}/uniquefile
+
+## CLEANING
+rm -rf ${basedir} ${tmpd}
+
+echo "OK"
+exit 0
diff --git a/tests/test_import.py b/tests/test_import.py
index b60ec1f..0c35f36 100644
--- a/tests/test_import.py
+++ b/tests/test_import.py
@@ -202,7 +202,7 @@ class TestImport(unittest.TestCase):
         with open(dotfile1, 'w') as f:
             f.write('edited')
         opts['safe'] = False
-        update(opts, conf, dotfile1)
+        update(opts, conf, [dotfile1])
         c2 = open(indt1, 'r').read()
         self.assertTrue(editcontent == c2)