diff --git a/apps/emqx_plugins/src/emqx_plugins.erl b/apps/emqx_plugins/src/emqx_plugins.erl
index 11edac123..67d25bf7a 100644
--- a/apps/emqx_plugins/src/emqx_plugins.erl
+++ b/apps/emqx_plugins/src/emqx_plugins.erl
@@ -75,6 +75,9 @@
     post_config_update/5
 ]).
 
+%% RPC call
+-export([get_tar/1]).
+
 %% Internal export
 -export([do_ensure_started/1]).
 %% for test cases