diff --git a/tangostationcontrol/tangostationcontrol/test/beam/test_delays.py b/tangostationcontrol/tangostationcontrol/test/beam/test_delays.py
index a9c9babfa895cfaf07f707d4fc0fea027a2dd222..152bc78741a8c26ce742c7c69be7d46e2df2ff02 100644
--- a/tangostationcontrol/tangostationcontrol/test/beam/test_delays.py
+++ b/tangostationcontrol/tangostationcontrol/test/beam/test_delays.py
@@ -61,7 +61,7 @@ class TestAttributeTypes(base.TestCase):
         # calculate the delays based on the set reference position, the set time and now the set direction and antenna positions.
         delays = d.convert(direction, antenna_itrf)
 
-        self.self.assertListEqual(delays == [0.0])
+        self.assertListEqual(delays == [0.0])
 
     def test_light_second_delay(self):
         """