diff --git a/src/bin/pg_combinebackup/pg_combinebackup.c b/src/bin/pg_combinebackup/pg_combinebackup.c
index 1b07ca3fb64..2788c78fdd4 100644
--- a/src/bin/pg_combinebackup/pg_combinebackup.c
+++ b/src/bin/pg_combinebackup/pg_combinebackup.c
@@ -154,6 +154,7 @@ main(int argc, char *argv[])
 
 	pg_logging_init(argv[0]);
 	progname = get_progname(argv[0]);
+	set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pg_combinebackup"));
 	handle_help_version_opts(argc, argv, progname, help);
 
 	memset(&opt, 0, sizeof(opt));
diff --git a/src/bin/pg_walsummary/pg_walsummary.c b/src/bin/pg_walsummary/pg_walsummary.c
index 5e41b376d7b..daf6cd14ce7 100644
--- a/src/bin/pg_walsummary/pg_walsummary.c
+++ b/src/bin/pg_walsummary/pg_walsummary.c
@@ -67,6 +67,7 @@ main(int argc, char *argv[])
 
 	pg_logging_init(argv[0]);
 	progname = get_progname(argv[0]);
+	set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pg_walsummary"));
 	handle_help_version_opts(argc, argv, progname, help);
 
 	/* process command-line options */