diff --git a/src/caosadvancedtools/models/parser.py b/src/caosadvancedtools/models/parser.py
index 7ffcebbf1e7f71aa9c4886fb5d2c59669ec74c26..b4a7ab57b8f3c15163916deecc132e775add64b7 100644
--- a/src/caosadvancedtools/models/parser.py
+++ b/src/caosadvancedtools/models/parser.py
@@ -621,7 +621,7 @@ class JsonSchemaParser(Parser):
     def _treat_element(self, elt: dict, name: str):
         force_list = False
         if name in self.model:
-            return self.model[name]
+            return self.model[name], force_list
         if "enum" in elt:
             ent = self._treat_enum(elt, name)
         elif elt["type"] in JSON_SCHEMA_ATOMIC_TYPES: