diff --git a/vars/main.yml b/vars/main.yml
index 9e01a3da..b41165ce 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -431,7 +431,7 @@ neutron_services:
     execstarts: "{{ neutron_bin }}/neutron-l3-agent --config-file {{ neutron_conf_dir }}/neutron.conf --config-file {{ neutron_conf_dir }}/l3_agent.ini"
     config_overrides: "{{ neutron_l3_agent_ini_overrides }}"
     config_type: "ini"
-    init_config_overrides: "{{ _neutron_l3_agent_init_defaults | combine(neutron_l3_agent_init_overrides) }}"
+    init_config_overrides: "{{ _neutron_l3_agent_init_defaults | combine(neutron_l3_agent_init_overrides, recursive=True) }}"
     start_order: 3
   neutron-bgp-dragent:
     group: neutron_bgp_dragent