diff --git a/src/jsx_to_term.erl b/src/jsx_to_term.erl
index 4ace068..ec9ab89 100644
--- a/src/jsx_to_term.erl
+++ b/src/jsx_to_term.erl
@@ -57,6 +57,7 @@
 
 -ifdef(maps_support).
 -type json_value() :: list(json_value())
+    | list({binary() | atom(), json_value()})
     | map()
     | true
     | false