diff --git a/neuroml/nml/generatedssupersuper.py b/neuroml/nml/generatedssupersuper.py
index 5eea8bf..ef0455c 100644
--- a/neuroml/nml/generatedssupersuper.py
+++ b/neuroml/nml/generatedssupersuper.py
@@ -457,6 +457,7 @@ def info(self, show_contents=False, return_format="string"):
 
             else:
                 info_ret.append(member.get_name())
+                info_str += member_str
 
         if return_format == "list":
             if isinstance(info_ret, dict):