diff --git a/apps/emqx_auth_mnesia/test/emqx_acl_mnesia_SUITE.erl b/apps/emqx_auth_mnesia/test/emqx_acl_mnesia_SUITE.erl
index 1878dec45..94d354e25 100644
--- a/apps/emqx_auth_mnesia/test/emqx_acl_mnesia_SUITE.erl
+++ b/apps/emqx_auth_mnesia/test/emqx_acl_mnesia_SUITE.erl
@@ -47,6 +47,7 @@ groups() ->
     ]}].
 
 init_per_suite(Config) ->
+    application:load(emqx_plugin_libs),
     emqx_ct_helpers:start_apps( [emqx_modules, emqx_management, emqx_auth_mnesia]
                               , fun set_special_configs/1
                               ),