diff --git a/releasenotes/notes/fix-l3-agent-ha-keepalive-helper-5f1f82c437c8a430.yaml b/releasenotes/notes/fix-l3-agent-ha-keepalive-helper-5f1f82c437c8a430.yaml
new file mode 100644
index 00000000..42add161
--- /dev/null
+++ b/releasenotes/notes/fix-l3-agent-ha-keepalive-helper-5f1f82c437c8a430.yaml
@@ -0,0 +1,3 @@
+---
+fixes:
+  - Fixes neutron HA routers, by enabling ``neutron-l3-agent`` to invoke the required helper script.
diff --git a/vars/main.yml b/vars/main.yml
index 7192af11..40e8341f 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -386,6 +386,8 @@ neutron_services:
     service_conf_path: "{{ neutron_conf_dir }}"
     service_conf: l3_agent.ini
     service_rootwrap: rootwrap.d/l3.filters
+    environment:
+      PATH: "{{ neutron_bin }}:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
     execstarts: "{{ neutron_bin }}/neutron-l3-agent --config-file {{ neutron_conf_dir }}/neutron.conf --config-file {{ neutron_conf_dir }}/l3_agent.ini --log-file={{ neutron_log_dir }}/neutron-l3-agent.log"
     config_overrides: "{{ neutron_l3_agent_ini_overrides }}"
     config_type: "ini"