diff --git a/src/test/regress/expected/collate.linux.utf8.out b/src/test/regress/expected/collate.linux.utf8.out
index 5d25f9fdd5a2fa03c6220862e8b933a417c5a6e1..8cee6ed81275736c0f7e9e5313596b8d3aa60277 100644
--- a/src/test/regress/expected/collate.linux.utf8.out
+++ b/src/test/regress/expected/collate.linux.utf8.out
@@ -967,6 +967,7 @@ CREATE COLLATION test3 (lc_collate = 'en_US.utf8'); -- fail, need lc_ctype
 ERROR:  parameter "lc_ctype" must be specified
 CREATE COLLATION testx (locale = 'nonsense'); -- fail
 ERROR:  could not create locale "nonsense": No such file or directory
+DETAIL:  The operating system could not find any locale data for the locale name "nonsense".
 CREATE COLLATION test4 FROM nonsense;
 ERROR:  collation "nonsense" for encoding "UTF8" does not exist
 CREATE COLLATION test5 FROM test0;