diff --git a/discovery-provider/nginx_conf/main.lua b/discovery-provider/nginx_conf/main.lua
index 428f86d7e38..74526f0279c 100644
--- a/discovery-provider/nginx_conf/main.lua
+++ b/discovery-provider/nginx_conf/main.lua
@@ -258,12 +258,13 @@ function _M.mark_request_processed ()
 end
 
 function _M.validate_nethermind_rpc_request ()
-    if ngx.req.get_method() == "GET" then
+    if ngx.req.get_method() == "GET" or ngx.req.get_method() == "OPTIONS" then
         return
     end
     ngx.req.read_body()
     local body = cjson.decode(ngx.req.get_body_data())
-    if not utils.starts_with(body.method, "eth_") then
+    is_bad = utils.starts_with(body.method, "clique_")
+    if is_bad then
         ngx.exit(405)
     end
 end