diff --git a/mongoengine/base/datastructures.py b/mongoengine/base/datastructures.py
index dc92d183..48414f21 100644
--- a/mongoengine/base/datastructures.py
+++ b/mongoengine/base/datastructures.py
@@ -240,6 +240,8 @@ class StrictDict(object):
         if allowed_keys not in cls._classes:
             class SpecificStrictDict(cls):
                 __slots__ = allowed_keys_tuple
+                def __repr__(self):
+                    return "{%s}" % ', '.join('"{!s}": {!r}'.format(k,v) for (k,v) in self.iteritems())
             cls._classes[allowed_keys] = SpecificStrictDict
         return cls._classes[allowed_keys]
 
diff --git a/mongoengine/base/document.py b/mongoengine/base/document.py
index 17ff5519..9ab66721 100644
--- a/mongoengine/base/document.py
+++ b/mongoengine/base/document.py
@@ -56,9 +56,9 @@ class BaseDocument(object):
         signals.pre_init.send(self.__class__, document=self, values=values)
 
         if self.STRICT and not self._dynamic:
-            self._data = StrictDict.create(allowed_keys=self._fields.keys())()
+            self._data = StrictDict.create(allowed_keys=self._fields_ordered)()
         else:
-            self._data = SemiStrictDict.create(allowed_keys=self._fields.keys())()
+            self._data = SemiStrictDict.create(allowed_keys=self._fields_ordered)()
 
         self._dynamic_fields = SON()