diff --git a/src/test/modules/test_pg_dump/expected/test_pg_dump.out b/src/test/modules/test_pg_dump/expected/test_pg_dump.out
index dd1a238964..e8121f6bfd 100644
--- a/src/test/modules/test_pg_dump/expected/test_pg_dump.out
+++ b/src/test/modules/test_pg_dump/expected/test_pg_dump.out
@@ -135,7 +135,7 @@ FROM
  type regress_pg_dump_schema.test_type              | postgres | regress_dump_test_role | USAGE          | f
 (58 rows)
 
-SELECT pg_describe_object(classid,objid,objsubid) AS obj,
+SELECT pg_describe_object(classid,objid,objsubid) COLLATE "C" AS obj,
   pg_describe_object(refclassid,refobjid,0) AS refobj,
   deptype
   FROM pg_shdepend JOIN pg_database d ON dbid = d.oid
@@ -265,7 +265,7 @@ FROM
  type regress_pg_dump_schema.test_type              | postgres | postgres          | USAGE          | f
 (51 rows)
 
-SELECT pg_describe_object(classid,objid,objsubid) AS obj,
+SELECT pg_describe_object(classid,objid,objsubid) COLLATE "C" AS obj,
   pg_describe_object(refclassid,refobjid,0) AS refobj,
   deptype
   FROM pg_shdepend JOIN pg_database d ON dbid = d.oid
diff --git a/src/test/modules/test_pg_dump/sql/test_pg_dump.sql b/src/test/modules/test_pg_dump/sql/test_pg_dump.sql
index de572adfed..4598531ce7 100644
--- a/src/test/modules/test_pg_dump/sql/test_pg_dump.sql
+++ b/src/test/modules/test_pg_dump/sql/test_pg_dump.sql
@@ -86,7 +86,7 @@ FROM
   (SELECT pg_describe_object(classoid,objoid,objsubid) COLLATE "C" AS obj, initprivs
    FROM pg_init_privs WHERE privtype = 'e' ORDER BY 1) s,
   aclexplode(s.initprivs) a;
-SELECT pg_describe_object(classid,objid,objsubid) AS obj,
+SELECT pg_describe_object(classid,objid,objsubid) COLLATE "C" AS obj,
   pg_describe_object(refclassid,refobjid,0) AS refobj,
   deptype
   FROM pg_shdepend JOIN pg_database d ON dbid = d.oid
@@ -138,7 +138,7 @@ FROM
   (SELECT pg_describe_object(classoid,objoid,objsubid) COLLATE "C" AS obj, initprivs
    FROM pg_init_privs WHERE privtype = 'e' ORDER BY 1) s,
   aclexplode(s.initprivs) a;
-SELECT pg_describe_object(classid,objid,objsubid) AS obj,
+SELECT pg_describe_object(classid,objid,objsubid) COLLATE "C" AS obj,
   pg_describe_object(refclassid,refobjid,0) AS refobj,
   deptype
   FROM pg_shdepend JOIN pg_database d ON dbid = d.oid