diff --git a/changelogs/fragments/1237.yml b/changelogs/fragments/1237.yml
new file mode 100644
index 000000000..fb65bb289
--- /dev/null
+++ b/changelogs/fragments/1237.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - Agent Role - Fixed missing setting for `zabbix_agent_persistentbuffer`
diff --git a/roles/zabbix_agent/tasks/main.yml b/roles/zabbix_agent/tasks/main.yml
index f6bbd0f2a..509bb629f 100644
--- a/roles/zabbix_agent/tasks/main.yml
+++ b/roles/zabbix_agent/tasks/main.yml
@@ -46,6 +46,7 @@
     zabbix_agent_listenport: "{{ zabbix_agent_listenport is defined | ternary(zabbix_agent_listenport, zabbix_agent2_listenport) | default(10050) }}"
     zabbix_agent_logfilesize: "{{ zabbix_agent_logfilesize is defined | ternary(zabbix_agent_logfilesize, zabbix_agent2_logfilesize) | default(100) }}"
     zabbix_agent_logtype: "{{ zabbix_agent_logtype is defined | ternary(zabbix_agent_logtype, zabbix_agent2_logtype) | default('file') }}"
+    zabbix_agent_persistentbuffer: "{{ zabbix_agent_persistentbuffer is defined | ternary(zabbix_agent_persistentbuffer, zabbix_agent_persistentbuffer) | default(0) }}"
     zabbix_agent_persistentbufferperiod: "{{ zabbix_agent_persistentbufferperiod is defined | ternary(zabbix_agent_persistentbufferperiod, zabbix_agent2_persistentbufferperiod) | default('1h') }}"
     zabbix_agent_refreshactivechecks: "{{ zabbix_agent_refreshactivechecks is defined | ternary(zabbix_agent_refreshactivechecks, zabbix_agent2_refreshactivechecks) | default(120) }}"
     zabbix_agent_statusport: "{{ zabbix_agent_statusport is defined | ternary(zabbix_agent_statusport, zabbix_agent2_statusport) | default(9999) }}"
diff --git a/roles/zabbix_agent/templates/agent.conf.j2 b/roles/zabbix_agent/templates/agent.conf.j2
index 7cf1d97e4..ddce677ae 100644
--- a/roles/zabbix_agent/templates/agent.conf.j2
+++ b/roles/zabbix_agent/templates/agent.conf.j2
@@ -48,6 +48,7 @@ DenyKey={{ item }}
 {% else %}
 # DenyKey=
 {% endif %}
+{{ (zabbix_agent_enablepersistentbuffer is defined and zabbix_agent_enablepersistentbuffer is not none) | ternary('', '# ') }}EnablePersistentBuffer={{ zabbix_agent_enablepersistentbuffer | default('') }}
 {% if not zabbix_agent2 %}
 {{ (zabbix_agent_enableremotecommands is defined and zabbix_agent_enableremotecommands is not none) | ternary('', '# ') }}EnableRemoteCommands={{ zabbix_agent_enableremotecommands | default('') }}
 {% endif %}