diff --git a/.travis.yml b/.travis.yml
index 28bf3dd3..7b5cb49f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,9 @@
 language: python
 python:
-    - "3.4"
+    - "3.5"
 install:
     - pip install -r requirements.txt
     - python setup.py build_ext --inplace
+    - python setup.py install
 script: make test
+
diff --git a/test/test_common.py b/test/test_common.py
index dde49524..d7bc2b8b 100644
--- a/test/test_common.py
+++ b/test/test_common.py
@@ -2,19 +2,16 @@
 Test the functions in the `common` module
 """
 
-import sys
-sys.path.append('poezio')
-
 import time
 import pytest
 import datetime
 from slixmpp import JID
 from datetime import timedelta
-from common import (_datetime_tuple as datetime_tuple, get_utc_time,
-                    get_local_time, shell_split, _find_argument_quoted
-                    as find_argument_quoted, _find_argument_unquoted as
-                    find_argument_unquoted, parse_str_to_secs,
-                    parse_secs_to_str, safeJID)
+from poezio.common import (_datetime_tuple as datetime_tuple, get_utc_time,
+                           get_local_time, shell_split, _find_argument_quoted
+                           as find_argument_quoted, _find_argument_unquoted as
+                           find_argument_unquoted, parse_str_to_secs,
+                           parse_secs_to_str, safeJID)
 
 def test_utc_time():
     delta = timedelta(seconds=-3600)
@@ -65,4 +62,4 @@ def test_parse_secs_to_str():
 
 def test_safeJID():
     assert safeJID('toto@titi/tata') == JID('toto@titi/tata')
-    assert safeJID('é_è') == JID('')
+    assert safeJID('toto@…') == JID('')
diff --git a/test/test_completion.py b/test/test_completion.py
index 54c0f057..c731e807 100644
--- a/test/test_completion.py
+++ b/test/test_completion.py
@@ -5,19 +5,16 @@ Test the completions methods on an altered input object.
 import string
 import pytest
 import random
-import sys
 import os
 
-sys.path.append('poezio')
-
 class ConfigShim(object):
     def get(self, *args, **kwargs):
         return ''
 
-import config
+from poezio import config
 config.config = ConfigShim()
 
-from windows import Input
+from poezio.windows import Input
 
 @pytest.fixture(scope="function")
 def input_obj():
diff --git a/test/test_config.py b/test/test_config.py
index 4c87458e..d2f952de 100644
--- a/test/test_config.py
+++ b/test/test_config.py
@@ -4,13 +4,10 @@ Test the config module
 
 import tempfile
 import pytest
-import sys
 import os
 
 
-sys.path.append('poezio')
-
-import config
+from poezio import config
 
 @pytest.yield_fixture(scope="module")
 def config_obj():
diff --git a/test/test_poopt.py b/test/test_poopt.py
index 54f466a6..cdf8d041 100644
--- a/test/test_poopt.py
+++ b/test/test_poopt.py
@@ -3,10 +3,8 @@ Test of the poopt module
 """
 
 import pytest
-import sys
-sys.path.append('poezio')
 
-from poopt import cut_text
+from poezio.poopt import cut_text
 
 def test_cut_text():
 
diff --git a/test/test_theming.py b/test/test_theming.py
index 40d1ab42..08856571 100644
--- a/test/test_theming.py
+++ b/test/test_theming.py
@@ -2,11 +2,9 @@
 Test the functions in the `theming` module
 """
 
-import sys
 import pytest
-sys.path.append('poezio')
 
-from theming import dump_tuple, read_tuple
+from poezio.theming import dump_tuple, read_tuple
 
 def test_read_tuple():
     assert read_tuple('1,-1,u') == ((1, -1), 'u')
diff --git a/test/test_windows.py b/test/test_windows.py
index 26a426c7..8623342b 100644
--- a/test/test_windows.py
+++ b/test/test_windows.py
@@ -1,16 +1,14 @@
 import pytest
-import sys
-sys.path.append('poezio')
 
 class ConfigShim(object):
     def get(self, *args, **kwargs):
         return ''
 
-import config
+from poezio import config
 config.config = ConfigShim()
-import core
+from poezio import core
 
-from windows import Input, HistoryInput, MessageInput, CommandInput
+from poezio.windows import Input, HistoryInput, MessageInput, CommandInput
 
 @pytest.fixture
 def input():
diff --git a/test/test_xhtml.py b/test/test_xhtml.py
index b4d6c3da..ad72513a 100644
--- a/test/test_xhtml.py
+++ b/test/test_xhtml.py
@@ -3,11 +3,9 @@ Test the functions in the `xhtml` module
 """
 
 import pytest
-import sys
 import xml
-sys.path.append('poezio')
 
-from xhtml import (poezio_colors_to_html, xhtml_to_poezio_colors,
+from poezio.xhtml import (poezio_colors_to_html, xhtml_to_poezio_colors,
                    parse_css, clean_text)
 
 def test_clean_text():