diff --git a/ci-build.sh b/ci-build.sh
index 148d474..6979021 100755
--- a/ci-build.sh
+++ b/ci-build.sh
@@ -9,7 +9,7 @@ pep8 --ignore E501 i3pystatus tests
 # Check that the setup.py script works
 rm -rf ${BUILD}/test-install ${BUILD}/test-install-bin
 mkdir ${BUILD}/test-install ${BUILD}/test-install-bin
-PYTHONPATH=${BUILD}/test-install python setup.py --quiet install --install-lib ${BUILD}/test-install --install-scripts ${BUILD}/test-install-bin
+PYTHONPATH=${BUILD}/test-install python3 setup.py --quiet install --install-lib ${BUILD}/test-install --install-scripts ${BUILD}/test-install-bin
 
 test -f ${BUILD}/test-install-bin/i3pystatus
 
diff --git a/tests/test_core_modules.py b/tests/test_core_modules.py
index 47d3cf5..84b40cb 100644
--- a/tests/test_core_modules.py
+++ b/tests/test_core_modules.py
@@ -11,7 +11,7 @@ class IntervalModuleMetaTest(unittest.TestCase):
     def test_no_settings(self):
         class NoSettings(IntervalModule):
             pass
-        self.assertEqual(NoSettings.settings, ('interval',))
+        self.assertTrue('interval' in NoSettings.settings)
 
     def test_no_interval_setting(self):
         class NoIntervalSetting(IntervalModule):