diff --git a/test/__init__.py b/test/__init__.py
new file mode 100644
index 0000000..a742e8e
--- /dev/null
+++ b/test/__init__.py
@@ -0,0 +1,2 @@
+# -*- encoding: utf-8 -*-
+
diff --git a/test/test_base.py b/test/test_base.py
index b7cca9b..edcbb8f 100644
--- a/test/test_base.py
+++ b/test/test_base.py
@@ -7,7 +7,7 @@
 import glob
 import os.path
 
-from common import BaseGitReposTest, BaseTmpDirTest, w, cmd
+from .common import BaseGitReposTest, BaseTmpDirTest, w, cmd
 from gitchangelog.gitchangelog import indent
 
 
diff --git a/test/test_issue52.py b/test/test_issue52.py
index a76fe19..1c9db01 100644
--- a/test/test_issue52.py
+++ b/test/test_issue52.py
@@ -7,9 +7,7 @@
 
 from __future__ import unicode_literals
 
-import difflib
-
-from common import BaseGitReposTest, w
+from .common import BaseGitReposTest, w
 
 
 class TestNoTagWarn(BaseGitReposTest):
diff --git a/test/test_issue54.py b/test/test_issue54.py
index edd20f3..b31136f 100644
--- a/test/test_issue54.py
+++ b/test/test_issue54.py
@@ -8,7 +8,7 @@
 
 from __future__ import unicode_literals
 
-from common import BaseGitReposTest, cmd, file_put_contents
+from .common import BaseGitReposTest, cmd, file_put_contents
 
 
 class TestConfigComplains(BaseGitReposTest):
diff --git a/test/test_issue61.py b/test/test_issue61.py
index b7bae55..7118898 100644
--- a/test/test_issue61.py
+++ b/test/test_issue61.py
@@ -10,7 +10,7 @@
 
 import difflib
 
-from common import BaseGitReposTest, w, cmd, file_put_contents
+from .common import BaseGitReposTest, w, cmd, file_put_contents
 
 
 class TestRevsBadFormat(BaseGitReposTest):
diff --git a/test/test_pr14.py b/test/test_pr14.py
index cf81394..a567ade 100644
--- a/test/test_pr14.py
+++ b/test/test_pr14.py
@@ -18,7 +18,7 @@
 
 import difflib
 
-from common import BaseGitReposTest, w
+from .common import BaseGitReposTest, w
 
 
 class TestCrossBranchTags(BaseGitReposTest):
diff --git a/test/test_pr23.py b/test/test_pr23.py
index 01648bb..b069127 100644
--- a/test/test_pr23.py
+++ b/test/test_pr23.py
@@ -9,7 +9,7 @@
 
 import difflib
 
-from common import BaseGitReposTest, w
+from .common import BaseGitReposTest, w
 
 
 class TestCrossBranchTags(BaseGitReposTest):