diff --git a/apps/emqx_connector/src/emqx_connector_schema.erl b/apps/emqx_connector/src/emqx_connector_schema.erl
index 264a6dbd6..3caf2b595 100644
--- a/apps/emqx_connector/src/emqx_connector_schema.erl
+++ b/apps/emqx_connector/src/emqx_connector_schema.erl
@@ -11,6 +11,7 @@
 
 roots() -> ["connectors"].
 
+fields(connectors) -> fields("connectors");
 fields("connectors") ->
     [ {mqtt,
        sc(hoconsc:map(name,