diff --git a/src/models.py b/src/models.py
index 07cc0c4..acfe1fc 100644
--- a/src/models.py
+++ b/src/models.py
@@ -52,6 +52,5 @@ class Item(ItemBase):
         Computed("to_tsvector('russian', geodata.description)", persisted=True),
     )
 
-    __table_args__ = Index(
-        "geodata_search_idx", geodata_search_ts, postgresql_using="gin"
-    )
+
+Index("geodata_search_idx", Item.geodata_search_ts, postgresql_using="gin")