diff --git a/src/test/regress/expected/xml_1.out b/src/test/regress/expected/xml_1.out
index 24d1e18f96..e756b3830e 100644
--- a/src/test/regress/expected/xml_1.out
+++ b/src/test/regress/expected/xml_1.out
@@ -70,6 +70,11 @@ SELECT xmlroot (
   standalone yes
 );
 ERROR:  no XML support in this installation
+SELECT xmlserialize(content data as character varying) FROM xmltest;
+ data 
+------
+(0 rows)
+
 -- Check mapping SQL identifier to XML name
 SELECT xmlpi(name ":::_xml_abc135.%-&_");
 ERROR:  no XML support in this installation