diff --git a/migrations.py b/migrations.py
index 702b634..4a6cb37 100644
--- a/migrations.py
+++ b/migrations.py
@@ -86,13 +86,16 @@ async def m001_initial(db):
         """
     )
     # Overlap checks scan by room + status; index the hot path.
+    # NOTE: the schema qualifier goes on the INDEX name, not the table — SQLite
+    # attaches the ext DB as schema `chatelet`, and `CREATE INDEX ON schema.table`
+    # is a syntax error there. (Matches the restaurant extension's pattern.)
     await db.execute(
-        "CREATE INDEX idx_chatelet_bookings_room_status "
-        "ON chatelet.bookings (room_id, status);"
+        "CREATE INDEX chatelet.idx_bookings_room_status "
+        "ON bookings (room_id, status);"
     )
     await db.execute(
-        "CREATE INDEX idx_chatelet_bookings_payment_hash "
-        "ON chatelet.bookings (payment_hash);"
+        "CREATE INDEX chatelet.idx_bookings_payment_hash "
+        "ON bookings (payment_hash);"
     )
 
     # Manual owner-side blocks (maintenance, personal use).
@@ -109,7 +112,7 @@ async def m001_initial(db):
         """
     )
     await db.execute(
-        "CREATE INDEX idx_chatelet_blocks_room ON chatelet.blocks (room_id);"
+        "CREATE INDEX chatelet.idx_blocks_room ON blocks (room_id);"
     )