diff --git a/lib/modules/Sql.pmod/pgsql_util.pmod b/lib/modules/Sql.pmod/pgsql_util.pmod
index 6846f67795f1bfba24c27ab83e40648e958a6e87..f7c98d650d15e86d694b7ba18f6a8983ef1f6583 100644
--- a/lib/modules/Sql.pmod/pgsql_util.pmod
+++ b/lib/modules/Sql.pmod/pgsql_util.pmod
@@ -26,7 +26,8 @@ private int clientsregistered;
 
 constant emptyarray = ({});
 constant describenodata
- = (["datarowdesc":emptyarray,"datarowtypes":emptyarray]);
+ = (["datarowdesc":emptyarray, "datarowtypes":emptyarray,
+     "datatypeoid":emptyarray]);
 final multiset censoroptions=(<"use_ssl","force_ssl",
  "cache_autoprepared_statements","reconnect","text_query","is_superuser",
  "server_encoding","server_version","integer_datetimes",