diff --git a/komandr.py b/komandr.py
index 96f505b..d168a80 100644
--- a/komandr.py
+++ b/komandr.py
@@ -82,6 +82,10 @@ def _generate_command(self, func, name=None, **kwargs):
             args = list(args)
             is_positional = isinstance(v, self._POSITIONAL)
             options = [arg for arg in args if arg.startswith('-')]
+            if isinstance(v, list):
+                kwargs.update({
+                    'action': 'append',
+                })
             if is_positional:
                 if options:
                     args = options
diff --git a/tests.py b/tests.py
index 59687c0..68b6629 100644
--- a/tests.py
+++ b/tests.py
@@ -12,6 +12,14 @@ def foo(bar, baz=None):
         self.assertEqual(('1', '2'),
                          komandr.execute(['foo', '1', '--baz', '2']))
 
+    def testMultipleValuesForASingleArgument(self):
+
+        def bar(c=[]):
+            return c
+        komandr.command(bar)
+
+        self.assertEqual(['blue', 'red', ], komandr.execute(['bar', '--c', 'blue', '--c', 'red']))
+
 
 if __name__ == '__main__':
     unittest.main()