diff --git a/tests/test_astrometry.py b/tests/test_astrometry.py
index c66467dbacb0215902c57e846b4142752116256b..e073ac97bfdead3e2195c4a114c65e6b95ec1343 100644
--- a/tests/test_astrometry.py
+++ b/tests/test_astrometry.py
@@ -53,5 +53,5 @@ class TestAstrometry(unittest.TestCase):
         self.assertTrue(dec_arr[0] != dec_list[0])
 
 
-if __name__ == '__main_':
+if __name__ == '__main__':
     unittest.main()