diff --git a/route_meta/get_pool.sql b/route_meta/get_pool.sql
index f966e32..4616d95 100644
--- a/route_meta/get_pool.sql
+++ b/route_meta/get_pool.sql
@@ -75,6 +75,6 @@ GROUP BY
     ,iter
 )
 SELECT
-    row_to_json(rows)
+    json_agg(row_to_json(rows))
 FROM
     rows
\ No newline at end of file