diff --git a/apps/tag/models.py b/apps/tag/models.py
index 28ff1183..a3acbc8e 100644
--- a/apps/tag/models.py
+++ b/apps/tag/models.py
@@ -159,7 +159,7 @@ class TagCategory(models.Model):
     @property
     def label_indexing(self):
         base_dict = self.translation.text if self.translation and isinstance(self.translation.text, dict) else {}
-        dict_to_index = {locale: base_dict.get(locale) for locale in OBJECT_FIELD_PROPERTIES}
+        dict_to_index = {locale: base_dict.get(locale) for locale in OBJECT_FIELD_PROPERTIES.keys()}
         return AttrDict(dict_to_index)
 
     objects = TagCategoryQuerySet.as_manager()