diff --git a/apps/emqx/src/emqx_limiter/src/emqx_limiter_schema.erl b/apps/emqx/src/emqx_limiter/src/emqx_limiter_schema.erl
index b9bfda166..32c92c8f0 100644
--- a/apps/emqx/src/emqx_limiter/src/emqx_limiter_schema.erl
+++ b/apps/emqx/src/emqx_limiter/src/emqx_limiter_schema.erl
@@ -212,17 +212,29 @@ short_paths_fields() ->
 short_paths_fields(Importance) ->
     [
         {Name,
-            ?HOCON(rate_type(), #{
-                desc => ?DESC(Name),
-                required => false,
-                default => infinity,
-                importance => Importance,
-                example => Example
-            })}
+            ?HOCON(
+                rate_type(),
+                maps:merge(
+                    #{
+                        desc => ?DESC(Name),
+                        required => false,
+                        importance => Importance,
+                        example => Example
+                    },
+                    short_paths_fields_extra(Name)
+                )
+            )}
      || {Name, Example} <-
             lists:zip(short_paths(), [<<"1000/s">>, <<"1000/s">>, <<"100MB/s">>])
     ].
 
+short_paths_fields_extra(max_conn_rate) ->
+    #{
+        default => infinity
+    };
+short_paths_fields_extra(_Name) ->
+    #{}.
+
 desc(limiter) ->
     "Settings for the rate limiter.";
 desc(node_opts) ->
diff --git a/apps/emqx/test/emqx_ratelimiter_SUITE.erl b/apps/emqx/test/emqx_ratelimiter_SUITE.erl
index 28a05ce23..b76c5dd33 100644
--- a/apps/emqx/test/emqx_ratelimiter_SUITE.erl
+++ b/apps/emqx/test/emqx_ratelimiter_SUITE.erl
@@ -816,8 +816,8 @@ t_no_limiter_for_listener(_) ->
     CfgStr = <<>>,
     ok = emqx_common_test_helpers:load_config(emqx_schema, CfgStr),
     ListenerOpt = emqx:get_config([listeners, tcp, default]),
-    ?assertEqual(
-        undefined,
+    ?assertMatch(
+        #{connection := #{rate := infinity}},
         emqx_limiter_utils:get_listener_opts(ListenerOpt)
     ).