diff --git a/group_vars/k8s-test.yml b/group_vars/k8s-test.yml
index 2aee3ec..54bf802 100644
--- a/group_vars/k8s-test.yml
+++ b/group_vars/k8s-test.yml
@@ -1,3 +1,3 @@
-data_volumes: {}
+data_volumes: []
 
 k8s_node_labels: {}