diff --git a/apps/emqx_management/test/emqx_mgmt_api_configs_SUITE.erl b/apps/emqx_management/test/emqx_mgmt_api_configs_SUITE.erl
index 887d88188..8ff3c1794 100644
--- a/apps/emqx_management/test/emqx_mgmt_api_configs_SUITE.erl
+++ b/apps/emqx_management/test/emqx_mgmt_api_configs_SUITE.erl
@@ -393,7 +393,7 @@ get_configs_with_json(Node, Opts) ->
     end.
 
 get_configs_with_binary(Key) ->
-    get_configs_with_binary(Key, node()).
+    get_configs_with_binary(Key, atom_to_list(node())).
 
 get_configs_with_binary(Key, Node) ->
     Path0 = "configs?node=" ++ Node,