diff --git a/src/gd_v_devman.erl b/src/gd_v_devman.erl
index d71726d..a4cda32 100644
--- a/src/gd_v_devman.erl
+++ b/src/gd_v_devman.erl
@@ -1156,7 +1156,7 @@ fun_interfaces(ScrollWin, FunSz, Buttons, Funs, J) ->
                                 <<"address">>       -> address;
                                 <<"int">>           -> integer;
                                 <<"bool">>          -> boolean;
-                                L when is_list(L)   -> list;   % FIXME
+                                #{<<"list">> := _}  -> list;
 %                               I when is_binary(I) -> iface   % FIXME
                                 I when is_binary(I) -> address % FIXME
                             end,