diff --git a/contrib/postgres_fdw/postgres_fdw.c b/contrib/postgres_fdw/postgres_fdw.c
index 4c49776..ecc2693 100644
--- a/contrib/postgres_fdw/postgres_fdw.c
+++ b/contrib/postgres_fdw/postgres_fdw.c
@@ -2103,15 +2103,15 @@ set_transmission_modes(void)
 	if (DateStyle != USE_ISO_DATES)
 		(void) set_config_option("datestyle", "ISO",
 								 PGC_USERSET, PGC_S_SESSION,
-								 GUC_ACTION_SAVE, true, 0);
+								 GUC_ACTION_SAVE, 0);
 	if (IntervalStyle != INTSTYLE_POSTGRES)
 		(void) set_config_option("intervalstyle", "postgres",
 								 PGC_USERSET, PGC_S_SESSION,
-								 GUC_ACTION_SAVE, true, 0);
+								 GUC_ACTION_SAVE, 0);
 	if (extra_float_digits < 3)
 		(void) set_config_option("extra_float_digits", "3",
 								 PGC_USERSET, PGC_S_SESSION,
-								 GUC_ACTION_SAVE, true, 0);
+								 GUC_ACTION_SAVE, 0);
 
 	return nestlevel;
 }