diff --git a/tiramisu/value.py b/tiramisu/value.py
index 2ac7add..cd256fc 100644
--- a/tiramisu/value.py
+++ b/tiramisu/value.py
@@ -184,8 +184,7 @@ class Values(object):
                    raise MultiTypeError("invalid len for the slave: {0}"
                     " which has {1} as master".format(opt._name,
                                                       self.slaves[opt]._name))
-        elif opt.is_multi():
-            if not isinstance(value, Multi):
+        if opt.is_multi() and not isinstance(value, Multi):
                 value = Multi(value, self.context, opt, multitypes.default)
         self.setitem(opt, value)