diff --git a/src/spectator/dsl/structure_dsl.cr b/src/spectator/dsl/structure_dsl.cr
index ff11170..71d7114 100644
--- a/src/spectator/dsl/structure_dsl.cr
+++ b/src/spectator/dsl/structure_dsl.cr
@@ -44,7 +44,7 @@ module Spectator
           end
 
           def %value
-            %group.value_for(self)
+            nil # TODO: %group.value_for(self)
           end
 
           def %dup