diff --git a/plexapi/collection.py b/plexapi/collection.py
index 9fbdc169..0f15ad70 100644
--- a/plexapi/collection.py
+++ b/plexapi/collection.py
@@ -5,15 +5,14 @@ from plexapi import media, utils
 from plexapi.base import PlexPartialObject
 from plexapi.exceptions import BadRequest, NotFound, Unsupported
 from plexapi.library import LibrarySection
-from plexapi.mixins import ArtMixin, PosterMixin
+from plexapi.mixins import AdvancedSettingsMixin, ArtMixin, PosterMixin
 from plexapi.mixins import LabelMixin
 from plexapi.playqueue import PlayQueue
-from plexapi.settings import Setting
 from plexapi.utils import deprecated
 
 
 @utils.registerPlexObject
-class Collection(PlexPartialObject, ArtMixin, PosterMixin, LabelMixin):
+class Collection(PlexPartialObject, AdvancedSettingsMixin, ArtMixin, PosterMixin, LabelMixin):
     """ Represents a single Collection.
 
         Attributes:
@@ -172,15 +171,6 @@ class Collection(PlexPartialObject, ArtMixin, PosterMixin, LabelMixin):
         """ Alias to :func:`~plexapi.library.Collection.item`. """
         return self.item(title)
 
-    def _preferences(self):
-        """ Returns a list of :class:`~plexapi.settings.Preferences` objects. """
-        items = []
-        data = self._server.query(self._details_key)
-        for item in data.iter('Setting'):
-            items.append(Setting(data=item, server=self._server))
-
-        return items
-
     def modeUpdate(self, mode=None):
         """ Update the collection mode advanced setting.
 
@@ -204,8 +194,7 @@ class Collection(PlexPartialObject, ArtMixin, PosterMixin, LabelMixin):
         key = mode_dict.get(mode)
         if key is None:
             raise BadRequest('Unknown collection mode : %s. Options %s' % (mode, list(mode_dict)))
-        part = '/library/metadata/%s/prefs?collectionMode=%s' % (self.ratingKey, key)
-        return self._server.query(part, method=self._server._session.put)
+        self.editAdvanced(collectionMode=key)
 
     def sortUpdate(self, sort=None):
         """ Update the collection order advanced setting.
@@ -228,8 +217,7 @@ class Collection(PlexPartialObject, ArtMixin, PosterMixin, LabelMixin):
         key = sort_dict.get(sort)
         if key is None:
             raise BadRequest('Unknown sort dir: %s. Options: %s' % (sort, list(sort_dict)))
-        part = '/library/metadata/%s/prefs?collectionSort=%s' % (self.ratingKey, key)
-        return self._server.query(part, method=self._server._session.put)
+        self.editAdvanced(collectionSort=key)
 
     def addItems(self, items):
         """ Add items to the collection.
diff --git a/plexapi/mixins.py b/plexapi/mixins.py
index 05d1f40f..49d8332a 100644
--- a/plexapi/mixins.py
+++ b/plexapi/mixins.py
@@ -39,16 +39,18 @@ class AdvancedSettingsMixin(object):
         """ Edit a Plex object's advanced settings. """
         data = {}
         key = '%s/prefs?' % self.key
-        preferences = {pref.id: list(pref.enumValues.keys()) for pref in self.preferences()}
+        preferences = {pref.id: pref for pref in self.preferences() if pref.enumValues}
         for settingID, value in kwargs.items():
             try:
-                enums = preferences[settingID]
+                pref = preferences[settingID]
             except KeyError:
                 raise NotFound('%s not found in %s' % (value, list(preferences.keys())))
-            if value in enums:
+            
+            enumValues = pref.enumValues
+            if enumValues.get(value, enumValues.get(str(value))):
                 data[settingID] = value
             else:
-                raise NotFound('%s not found in %s' % (value, enums))
+                raise NotFound('%s not found in %s' % (value, list(enumValues)))
         url = key + urlencode(data)
         self._server.query(url, method=self._server._session.put)