diff --git a/test/gw_source_test.py b/test/gw_source_test.py
index 63832db02edc9872e6f29b24bba93e90d436d74d..9ee8b2895426b479b69eeb10c2efcc3918122e79 100644
--- a/test/gw_source_test.py
+++ b/test/gw_source_test.py
@@ -180,6 +180,7 @@ class TestROQBBH(unittest.TestCase):
             bilby.gw.source.roq(self.frequency_array, **self.parameters), dict)
 
     def test_roq_fails_without_frequency_nodes(self):
+        self.parameters.update(self.waveform_kwargs)
         del self.parameters['frequency_nodes_linear']
         del self.parameters['frequency_nodes_quadratic']
         with self.assertRaises(KeyError):