diff --git a/admin_interface/apps.py b/admin_interface/apps.py
index f0f7a9a..e193cc7 100644
--- a/admin_interface/apps.py
+++ b/admin_interface/apps.py
@@ -1,6 +1,9 @@
 # -*- coding: utf-8 -*-
 
 from django.apps import AppConfig
+from django.db.models.signals import post_migrate
+
+from admin_interface.models import Theme
 
 
 class AdminInterfaceConfig(AppConfig):
@@ -9,5 +12,7 @@ class AdminInterfaceConfig(AppConfig):
     verbose_name = 'Admin Interface'
     
     def ready(self):
-        pass
+        
+        post_migrate.connect(Theme.post_migrate_handler, sender = self)
+        
         
\ No newline at end of file
diff --git a/admin_interface/fixtures/initial_data.json b/admin_interface/fixtures/initial_data.json
index fd91d80..ec11a81 100644
--- a/admin_interface/fixtures/initial_data.json
+++ b/admin_interface/fixtures/initial_data.json
@@ -1 +1 @@
-[{"fields": {"css_save_button_text_color": "#FFFFFF", "css_module_link_hover_color": "#C9F0DD", "css_delete_button_text_color": "#FFFFFF", "css_save_button_background_hover_color": "#0C3C26", "css_module_rounded_corners": true, "logo": "", "css_module_background_color": "#44B78B", "title": "Django administration", "css_header_link_color": "#FFFFFF", "css_delete_button_background_hover_color": "#A41515", "css": "", "css_module_link_color": "#FFFFFF", "css_module_text_color": "#FFFFFF", "css_generic_link_hover_color": "#156641", "css_save_button_background_color": "#0C4B33", "logo_visible": true, "active": false, "css_header_background_color": "#0C4B33", "name": "Django", "css_generic_link_color": "#0C3C26", "css_delete_button_background_color": "#BA2121", "css_header_text_color": "#44B78B", "css_header_link_hover_color": "#C9F0DD", "css_header_title_color": "#F5DD5D", "title_visible": true}, "model": "admin_interface.theme", "pk": 1}]
\ No newline at end of file
+[{"fields": {"css_save_button_text_color": "#FFFFFF", "css_module_link_hover_color": "#C9F0DD", "css_delete_button_text_color": "#FFFFFF", "list_filter_dropdown": false, "css_save_button_background_hover_color": "#0C3C26", "css_module_rounded_corners": true, "logo": "", "css_module_background_color": "#44B78B", "title": "Django administration", "css_header_link_color": "#FFFFFF", "css_delete_button_background_hover_color": "#A41515", "css": "", "css_module_link_color": "#FFFFFF", "css_module_text_color": "#FFFFFF", "css_generic_link_hover_color": "#156641", "css_save_button_background_color": "#0C4B33", "logo_visible": true, "active": false, "css_header_background_color": "#0C4B33", "name": "Django", "css_generic_link_color": "#0C3C26", "css_delete_button_background_color": "#BA2121", "css_header_text_color": "#44B78B", "css_header_link_hover_color": "#C9F0DD", "css_header_title_color": "#F5DD5D", "title_visible": true}, "model": "admin_interface.theme", "pk": 1}]
\ No newline at end of file
diff --git a/admin_interface/models.py b/admin_interface/models.py
index 7595d06..a851297 100644
--- a/admin_interface/models.py
+++ b/admin_interface/models.py
@@ -11,6 +11,10 @@ import os
 
 class Theme(models.Model):
     
+    @staticmethod
+    def post_migrate_handler(sender, **kwargs):
+        Theme.get_or_create_default_theme()
+        
     @staticmethod
     def post_delete_handler(instance, **kwargs):
         Theme.get_or_create_default_theme()
@@ -68,6 +72,9 @@ class Theme(models.Model):
     
     css = models.TextField( blank = True )
      
+    list_filter_dropdown = models.BooleanField( default = False )
+    
+    
     def set_active(self, value):
         
         if value:
diff --git a/admin_interface/templatetags/admin_interface_tags.py b/admin_interface/templatetags/admin_interface_tags.py
index 54fc272..977a5b4 100644
--- a/admin_interface/templatetags/admin_interface_tags.py
+++ b/admin_interface/templatetags/admin_interface_tags.py
@@ -18,7 +18,7 @@ def get_admin_interface_theme(context):
     if len(obj_ls):
         obj = obj_ls[0]
     else:
-        obj, obj_created = Theme.get_or_create_default_theme()
+        obj = Theme.get_or_create_default_theme()
         
     return obj