diff --git a/test_jobs/parset_selector.json b/test_jobs/parset_selector.json
index 84ee4dc623f86d70802f9447524597510044aeb1..3025390d76a1ae4ba3d6aab8482129ece27319cb 100644
--- a/test_jobs/parset_selector.json
+++ b/test_jobs/parset_selector.json
@@ -1,5 +1,4 @@
 {
   "select_a": true,
-  "a_arguments": {"name": "a"},
-  "b_arguments": {"name": "b"}
+  "a_arguments": [{"name": "a"}]
 }