diff --git a/bumblebee/config.py b/bumblebee/config.py
index d9c9419..d33219c 100644
--- a/bumblebee/config.py
+++ b/bumblebee/config.py
@@ -8,7 +8,7 @@ class Config(object):
         self._args = parser.parse_args(args)
 
     def modules(self):
-        return map(lambda x: { "name": x, "module": x }, self._args.modules)
+        return list(map(lambda x: { "name": x, "module": x }, self._args.modules))
 
     def _create_parser(self):
         parser = argparse.ArgumentParser(description="display system data in the i3bar")
diff --git a/runtests.sh b/runtests.sh
index 58521b5..089f936 100755
--- a/runtests.sh
+++ b/runtests.sh
@@ -1,3 +1,5 @@
 #!/bin/sh
 
-nosetests --rednose -v tests/
+test=$(which nosetests)
+python2 $test --rednose -v tests/
+python3 $test --rednose -v tests/
diff --git a/tests/test_config.py b/tests/test_config.py
index 66fd1d8..d344932 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -13,6 +13,6 @@ class TestConfig(unittest.TestCase):
     def test_load_simple_modules(self):
         cfg = Config([ "-m" ] + self.someSimpleModules)
         self.assertEquals(cfg.modules(), 
-            map(lambda x: { "name": x, "module": x }, self.someSimpleModules))
+            list(map(lambda x: { "name": x, "module": x }, self.someSimpleModules)))
 
 # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4