diff --git a/pkg/zabbixapi/zabbix_api.go b/pkg/zabbixapi/zabbix_api.go
index 9be440893..48c71432c 100644
--- a/pkg/zabbixapi/zabbix_api.go
+++ b/pkg/zabbixapi/zabbix_api.go
@@ -98,9 +98,9 @@ func (api *ZabbixAPI) request(ctx context.Context, method string, params ZabbixA
 		"params":  normalizeParams(ctx, method, params, version),
 	}
 
-	// Zabbix v7.2 and later deprecated `auth` parameter and replaced it with using Auth header
+	// Zabbix v6.4 and later deprecated `auth` parameter and replaced it with using Auth header
 	// `auth` parameter throws an error in new versions so we need to add it only for older versions
-	if auth != "" && version < 72 {
+	if auth != "" && version < 64 {
 		apiRequest["auth"] = auth
 	}