diff --git a/runtests.py b/runtests.py
index ee90ce4c..34e0d39b 100644
--- a/runtests.py
+++ b/runtests.py
@@ -16,3 +16,7 @@ suite.addTests(unittest.TestLoader().loadTestsFromTestCase(TestCadQuery.TestCadQ
 suite.addTests(unittest.TestLoader().loadTestsFromTestCase(TestExporters.TestExporters))
 suite.addTests(unittest.TestLoader().loadTestsFromTestCase(TestImporters.TestImporters))
 unittest.TextTestRunner().run(suite)
+
+if __name__ == '__main__':
+    result = unittest.TextTestRunner().run(suite)
+    sys.exit(not result.wasSuccessful())
\ No newline at end of file