diff --git a/generate-conf.py b/generate-conf.py
index 992e2b6..37c46a3 100644
--- a/generate-conf.py
+++ b/generate-conf.py
@@ -278,6 +278,8 @@ def gen_conf_re2o(re2o_config, header, modules):
     interfaces.sort(key=lambda x: x["number"])
     radius_key = re2o_config.get("get_radius_key_value")
     radius_servers = [ {"ip": i, "secret": radius_key } for i in mgmt_utils["radius_servers"]["ipv4"] + mgmt_utils["radius_servers"]["ipv6"]]
+    if radius_servers == []:
+        radius_servers = [ {"ip": i, "secret": radius_key } for i in re2o_config["get_radius_servers"]["ipv4"] + mgmt_utils["radius_servers"]["ipv6"]]
     config_dict = {
        "header": header,
        "modules": modules,