diff --git a/tests/test_models.py b/tests/test_models.py
index e4a499e57..24fa5df3c 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -438,7 +438,9 @@ def test_recombination_rate_match(self):
         contig = species.get_contig(length=100)
         assert model.recombination_rate != contig.recombination_map.mean_rate
         contig = species.get_contig(
-            length=100, recombination_rate=model.recombination_rate
+            length=100,
+            mutation_rate=model.mutation_rate,
+            recombination_rate=model.recombination_rate,
         )
         assert model.recombination_rate == contig.recombination_map.mean_rate