diff --git a/src/test/regress/expected/collate.linux.utf8.out b/src/test/regress/expected/collate.linux.utf8.out
index 26275c3fb3e..6b7318613a3 100644
--- a/src/test/regress/expected/collate.linux.utf8.out
+++ b/src/test/regress/expected/collate.linux.utf8.out
@@ -996,9 +996,9 @@ BEGIN
 END
 $$;
 CREATE COLLATION test0 FROM "C"; -- fail, duplicate name
-ERROR:  collation "test0" for encoding "UTF8" already exists
+ERROR:  collation "test0" already exists
 CREATE COLLATION IF NOT EXISTS test0 FROM "C"; -- ok, skipped
-NOTICE:  collation "test0" for encoding "UTF8" already exists, skipping
+NOTICE:  collation "test0" already exists, skipping
 CREATE COLLATION IF NOT EXISTS test0 (locale = 'foo'); -- ok, skipped
 NOTICE:  collation "test0" for encoding "UTF8" already exists, skipping
 do $$