diff --git a/src/PostgREST/SchemaCache.hs b/src/PostgREST/SchemaCache.hs
index b18747a53..6c0c7441b 100644
--- a/src/PostgREST/SchemaCache.hs
+++ b/src/PostgREST/SchemaCache.hs
@@ -680,7 +680,7 @@ tablesSqlQuery =
           AND nc.nspname = ANY($$1)
   ),
   columns_agg AS (
-    SELECT DISTINCT
+    SELECT
         info.table_schema AS table_schema,
         info.table_name AS table_name,
         array_agg(row(