diff --git a/deform/field.py b/deform/field.py
index 1f56ab03..1d584ede 100644
--- a/deform/field.py
+++ b/deform/field.py
@@ -187,6 +187,11 @@ def __init__(
     ):
         self.counter = counter or itertools.count()
         self.order = next(self.counter)
+        if parent is not None:
+            parent = weakref.ref(parent)
+        self._parent = parent
+        oid_prefix = getattr(self.get_root(), "formid", "deform")
+        self.oid = getattr(schema, "oid", f"{oid_prefix}Field{self.order}")
         self.schema = schema
         self.typ = schema.typ  # required by Invalid exception
         self.name = schema.name
@@ -221,11 +226,6 @@ def __init__(
 
         self.resource_registry = resource_registry
         self.children = []
-        if parent is not None:
-            parent = weakref.ref(parent)
-        self._parent = parent
-        oid_prefix = getattr(self.get_root(), "formid", "deform")
-        self.oid = getattr(schema, "oid", f"{oid_prefix}Field{self.order}")
         self.__dict__.update(kw)
 
         first_input_index = -1