diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index a62d64eaa47..bb34630e8e4 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -4173,7 +4173,7 @@ static struct config_string ConfigureNamesString[] =
 		{"unix_socket_directories", PGC_POSTMASTER, CONN_AUTH_SETTINGS,
 			gettext_noop("Sets the directories where Unix-domain sockets will be created."),
 			NULL,
-			GUC_SUPERUSER_ONLY
+			GUC_LIST_INPUT | GUC_LIST_QUOTE | GUC_SUPERUSER_ONLY
 		},
 		&Unix_socket_directories,
 #ifdef HAVE_UNIX_SOCKETS
diff --git a/src/bin/pg_dump/dumputils.c b/src/bin/pg_dump/dumputils.c
index 2d6ea13c455..536c9ffec8c 100644
--- a/src/bin/pg_dump/dumputils.c
+++ b/src/bin/pg_dump/dumputils.c
@@ -865,11 +865,12 @@ buildACLQueries(PQExpBuffer acl_subquery, PQExpBuffer racl_subquery,
 bool
 variable_is_guc_list_quote(const char *name)
 {
-	if (pg_strcasecmp(name, "temp_tablespaces") == 0 ||
+	if (pg_strcasecmp(name, "local_preload_libraries") == 0 ||
+		pg_strcasecmp(name, "search_path") == 0 ||
 		pg_strcasecmp(name, "session_preload_libraries") == 0 ||
 		pg_strcasecmp(name, "shared_preload_libraries") == 0 ||
-		pg_strcasecmp(name, "local_preload_libraries") == 0 ||
-		pg_strcasecmp(name, "search_path") == 0)
+		pg_strcasecmp(name, "temp_tablespaces") == 0 ||
+		pg_strcasecmp(name, "unix_socket_directories") == 0)
 		return true;
 	else
 		return false;