diff --git a/changelogs/fragments/1188-agent_ipmi_authtype_fix.yml b/changelogs/fragments/1188-agent_ipmi_authtype_fix.yml
new file mode 100644
index 000000000..1d4fa26d6
--- /dev/null
+++ b/changelogs/fragments/1188-agent_ipmi_authtype_fix.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - zabbix_agent - Fixed IPMI authentication algorithm default setting
diff --git a/docs/ZABBIX_AGENT_ROLE.md b/docs/ZABBIX_AGENT_ROLE.md
index aa73fab3a..0ad0f7747 100644
--- a/docs/ZABBIX_AGENT_ROLE.md
+++ b/docs/ZABBIX_AGENT_ROLE.md
@@ -337,7 +337,7 @@ Keep in mind that using the Zabbix Agent in a Container requires changes to the
 
 ## IPMI variables
 
-* `zabbix_agent_ipmi_authtype`: IPMI authentication algorithm. Possible values are 1 (callback), 2 (user), 3 (operator), 4 (admin), 5 (OEM), with 2 being the API default.
+* `zabbix_agent_ipmi_authtype`: IPMI authentication algorithm. Possible values are -1 (default), 0 (none), 1 (MD2), 2 (MD5), 4 (straight), 5 (OEM), 6 (RMCP+), with -1 being the API default.
 * `zabbix_agent_ipmi_password`: IPMI password.
 * `zabbix_agent_ipmi_privilege`: IPMI privilege level. Possible values are 1 (callback), 2 (user), 3 (operator), 4 (admin), 5 (OEM), with 2 being the API default.
 * `zabbix_agent_ipmi_username`: IPMI username.
diff --git a/roles/zabbix_agent/defaults/main.yml b/roles/zabbix_agent/defaults/main.yml
index dbd5db5db..71fa98178 100644
--- a/roles/zabbix_agent/defaults/main.yml
+++ b/roles/zabbix_agent/defaults/main.yml
@@ -165,7 +165,7 @@ zabbix_agent_tls_config:
   cert: "4"
 
 # IPMI settings
-zabbix_agent_ipmi_authtype: 2
+zabbix_agent_ipmi_authtype: -1
 zabbix_agent_ipmi_password:
 zabbix_agent_ipmi_privilege: 2
 zabbix_agent_ipmi_username: