diff --git a/lib/index.js b/lib/index.js
index 6878276b..c9530f0c 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -245,7 +245,7 @@ function Postgres(a, b) {
           select b.oid, b.typarray
           from pg_catalog.pg_type a
           left join pg_catalog.pg_type b on b.oid = a.typelem
-          where a.typcategory = 'A' and b.typcategory != 'C'
+          where a.typcategory = 'A'
           group by b.oid, b.typarray
           order by b.oid
         `)