--- a/test/testzcc.py	Fri Nov 15 13:45:34 2013 +0100
+++ b/test/testzcc.py	Fri Nov 15 13:52:32 2013 +0100
@@ -4,13 +4,14 @@
 import outstream
 import ppci
 
+
 class ZccTestCase(unittest.TestCase):
     """ Tests the compiler driver """
 
     def do(self, fn):
         """ Compile blink.c3 """
-        args = zcc.parser.parse_args([fn, '--package_dir', './c3examples'])
-        zcc.main(args)
+        args = zcc.parser.parse_args([fn, '--package_dir', './c3examples/'])
+        self.assertEqual(0, zcc.main(args))
 
     def testExamples(self):
         """ Test all examples in the c3/examples directory """