diff --git a/lib/Horde/Db/Adapter/Postgresql/Schema.php b/lib/Horde/Db/Adapter/Postgresql/Schema.php
index c8bda43..2fcd4ef 100644
--- a/lib/Horde/Db/Adapter/Postgresql/Schema.php
+++ b/lib/Horde/Db/Adapter/Postgresql/Schema.php
@@ -1129,7 +1129,7 @@ public function pkAndSequenceFor($table)
 
         if (!$result) {
             $sql = "
-              SELECT c.column_name, c.ordinal_position,
+              SELECT c.column_name as attname, c.ordinal_position,
                   pg_get_serial_sequence(t.table_name, c.column_name) as relname
               FROM information_schema.key_column_usage AS c
               LEFT JOIN information_schema.table_constraints AS t