diff --git a/tests/fixtures/custom_functions.py b/tests/fixtures/custom_functions.py
index e796722..4712052 100644
--- a/tests/fixtures/custom_functions.py
+++ b/tests/fixtures/custom_functions.py
@@ -1,2 +1,2 @@
-def select_debian_node(change, params):
+def select_debian_node(item, params):
     params['ZUUL_NODE'] = 'debian'