diff --git a/PyHardLinkBackup/__init__.py b/PyHardLinkBackup/__init__.py
index adef096..f2d0113 100644
--- a/PyHardLinkBackup/__init__.py
+++ b/PyHardLinkBackup/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.3.0"
+__version__ = "0.3.1"
 
 import os
 os.environ["DJANGO_SETTINGS_MODULE"] = "PyHardLinkBackup.django_project.settings"
diff --git a/PyHardLinkBackup/helper_cmd/phlb_run_unittests.cmd b/PyHardLinkBackup/helper_cmd/phlb_run_unittests.cmd
index 613657e..444342d 100644
--- a/PyHardLinkBackup/helper_cmd/phlb_run_unittests.cmd
+++ b/PyHardLinkBackup/helper_cmd/phlb_run_unittests.cmd
@@ -34,6 +34,8 @@ echo on
 "%PIP_EXE%" install -r "%REQ_PATH%"
 "%PIP_EXE%" install --upgrade -r "%REQ_PATH%"
 
+cd "%PKG_PATH%"
+cd ..
 coverage.exe run --source=PyHardLinkBackup --parallel-mode -m nose PyHardLinkBackup --verbosity=2
 @echo off
 if "%1" == "no_report" (
diff --git a/PyHardLinkBackup/tests/base.py b/PyHardLinkBackup/tests/base.py
index e8d1ee3..dd10850 100644
--- a/PyHardLinkBackup/tests/base.py
+++ b/PyHardLinkBackup/tests/base.py
@@ -54,8 +54,11 @@ def setUp(self):
         )
 
     def tearDown(self):
-        shutil.rmtree(self.temp_root_path)
-        os.mkdir(self.temp_root_path)
+        # FIXME: Under windows the root temp dir can't be deleted:
+        # PermissionError: [WinError 32] The process cannot access the file because it is being used by another process
+        def rmtree_error(function, path, excinfo):
+            print("Error remove temp: %r" % path)
+        shutil.rmtree(self.temp_root_path, ignore_errors=True, onerror=rmtree_error)
 
     def assert_click_exception(self, result):
         if result.exception:
@@ -180,7 +183,7 @@ class BaseCreatedTwoBackupsTestCase(BaseCreatedOneBackupsTestCase):
 
     def setUp(self):
         super(BaseCreatedTwoBackupsTestCase, self).setUp()
-        
+
         self.second_backup_result = self.invoke_cli("backup", self.source_path)
         self.second_run_path = self.get_newest_backup_path()
 
@@ -190,7 +193,7 @@ def assert_first_backup(self):
         #print("\n".join(tree_list))
         # pprint.pprint(tree_list,indent=0, width=200)
         self.assertEqual(tree_list, [self.first_run_path]+self.backuped_file_info)
-        
+
     def assert_second_backup(self):
         fs_helper = UnittestFileSystemHelper()
         tree_list = fs_helper.pformat_tree(self.second_run_path, with_timestamps=False)
diff --git a/PyHardLinkBackup/tests/utils.py b/PyHardLinkBackup/tests/utils.py
index d46c251..b595be7 100644
--- a/PyHardLinkBackup/tests/utils.py
+++ b/PyHardLinkBackup/tests/utils.py
@@ -6,6 +6,10 @@
 import sys
 
 
+def force_posixpath(path):
+    return posixpath.normpath(path.replace(os.sep, "/"))
+
+
 class UnittestFileSystemHelper(object):
     DATETIME_FORMATTER="%Y%m%d:%H%M%S"
 
@@ -29,7 +33,7 @@ def create_test_fs(self, fs_dict, dir=None):
     def pformat_tree(self, path, with_timestamps):
 
         def pformat_stat(path):
-            result = ["%-30s" % posixpath.normpath(path)]
+            result = ["%-30s" % force_posixpath(path)]
             stat = os.stat(path)
 
             if os.path.isfile(path):
@@ -59,7 +63,7 @@ def pformat_stat(path):
         lines = []
         for root, dirs, files in os.walk("."):
             if root == ".":
-                lines.append(posixpath.normpath(os.path.abspath(root)))
+                lines.append(os.path.abspath(root))
             else:
                 lines.append(pformat_stat(root))
 
@@ -87,4 +91,4 @@ def print_tree(self, path):
                     "Please install the linux package 'tree' - Origin Error: %s" % err
                 )
         else:
-            raise NotImplementedError("TODO: %s" % sys.platform)
\ No newline at end of file
+            raise NotImplementedError("TODO: %s" % sys.platform)
diff --git a/README.creole b/README.creole
index 3e11667..e602ffb 100644
--- a/README.creole
+++ b/README.creole
@@ -175,6 +175,8 @@ And then just request 'localhost'
 
 == History
 
+* 15.01.2016 - v0.3.1 - [[https://github.com/jedie/PyHardLinkBackup/compare/v0.3.0...v0.3.1|compare v0.3.0...v0.3.1]]
+** fix unittest run under windows
 * 15.01.2016 - v0.3.0 - [[https://github.com/jedie/PyHardLinkBackup/compare/v0.2.0...v0.3.0|compare v0.2.0...v0.3.0]]
 ** **database migration needed**
 ** Add 'no_link_source' to database (e.g. Skip source, if 1024 links created under windows)
diff --git a/appveyor.yml b/appveyor.yml
index e25b076..932ce97 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -91,12 +91,12 @@ test_script:
     - call phlb_run_unittests.cmd no_report
 
 on_finish:
+    - cd %APPDATA%/PyHardLinkBackup/src/pyhardlinkbackup
     - coverage combine
+    - coverage report
 
     - set COVERALLS_REPO_TOKEN=3uErcCZvScP0LKMj9qcgab67qRsu8XnSQ
     - coveralls
 
-    - coverage report
-
     # http://www.appveyor.com/docs/how-to/rdp-to-build-worker
     #- ps: $blockRdp = $true; iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))