diff --git a/src/emqx_plugins.erl b/src/emqx_plugins.erl
index 15c4ea330..67b7bb968 100644
--- a/src/emqx_plugins.erl
+++ b/src/emqx_plugins.erl
@@ -252,8 +252,8 @@ plugin(AppName, Type) ->
 
 load_plugin(Name, Persistent) ->
     try
-        Configs = generate_configs(Name),
-        apply_configs(Configs),
+        Configs = ?MODULE:generate_configs(Name),
+        ?MODULE:apply_configs(Configs),
         case load_app(Name) of
             ok ->
                 start_app(Name, fun(App) -> plugin_loaded(App, Persistent) end);
diff --git a/test/emqx_plugins_SUITE.erl b/test/emqx_plugins_SUITE.erl
index 85c14933b..ad99209e6 100644
--- a/test/emqx_plugins_SUITE.erl
+++ b/test/emqx_plugins_SUITE.erl
@@ -122,11 +122,14 @@ t_load_plugin(_) ->
     ok = meck:expect(application, ensure_all_started, fun(already_loaded_app) -> {error, {already_loaded_app, already_loaded}};
                                                          (error_app) -> {error, error};
                                                          (App) -> {ok, App} end),
-
+    ok = meck:new(emqx_plugins, [unstick, non_strict, passthrough, no_history]),
+    ok = meck:expect(emqx_plugins, generate_configs, fun(_) -> ok end),
+    ok = meck:expect(emqx_plugins, apply_configs, fun(_) -> ok end),
     ?assertMatch({error, _}, emqx_plugins:load_plugin(already_loaded_app, true)),
     ?assertMatch(ok, emqx_plugins:load_plugin(normal, true)),
     ?assertMatch({error,_}, emqx_plugins:load_plugin(error_app, true)),
 
+    ok = meck:unload(emqx_plugins),
     ok = meck:unload(application).
 
 t_unload_plugin(_) ->