diff --git a/tiramisu/option.py b/tiramisu/option.py
index fe0a619..d692aaf 100644
--- a/tiramisu/option.py
+++ b/tiramisu/option.py
@@ -154,6 +154,10 @@ class Option(HiddenBaseType, DisabledBaseType):
         "accessing the default value"
         return self.default
 
+    def getdefault_multi(self):
+        "accessing the default value for a multi"
+        return self.default_multi
+
     def is_empty_by_default(self):
         "no default value has been set yet"
         if ((not self.is_multi() and self.default == None) or