diff --git a/pandora/config.0xdb.jsonc b/pandora/config.0xdb.jsonc
index e76d3ce1..c8e8bea8 100644
--- a/pandora/config.0xdb.jsonc
+++ b/pandora/config.0xdb.jsonc
@@ -359,6 +359,7 @@
             "title": "Mainstream Score",
             "type": "float",
             "columnWidth": 60,
+            "default" 0,
             "format": {"type": "ColorPercent", "args": [1, true]},
             "sort": true
         },
@@ -367,6 +368,7 @@
             "title": "Arthouse Score",
             "type": "float",
             "columnWidth": 60,
+            "default" 0,
             "format": {"type": "ColorPercent", "args": [1, true]},
             "sort": true
         },
diff --git a/pandora/item/models.py b/pandora/item/models.py
index c23e810d..8e2a254d 100644
--- a/pandora/item/models.py
+++ b/pandora/item/models.py
@@ -383,6 +383,17 @@ class Item(models.Model):
                 if key in self.data:
                     del self.data[key]
 
+        # update defaults
+        if settings.USE_IMDB:
+            defaults = filter(lambda k: 'default' in k, settings.CONFIG['itemKeys'])
+            for k in defaults:
+                if len(self.itemId) == 7:
+                    if k['id'] in self.data and self.data[k['id']] == k['default']:
+                        del self.data[k['id']]
+                else:
+                    if k['id'] not in self.data:
+                        self.data[k['id']] = k['default']
+
         if self.poster and os.path.exists(self.poster.path):
             self.poster_height = self.poster.height
             self.poster_width = self.poster.width