diff --git a/wpa_supplicant/config_file.c b/wpa_supplicant/config_file.c
index 8a3bb32a8..dc6aade2f 100644
--- a/wpa_supplicant/config_file.c
+++ b/wpa_supplicant/config_file.c
@@ -1229,6 +1229,8 @@ static void wpa_config_write_global(FILE *f, struct wpa_config *config)
 			config->bss_expiration_scan_count);
 	if (config->filter_ssids)
 		fprintf(f, "filter_ssids=%d\n", config->filter_ssids);
+	if (config->filter_rssi)
+		fprintf(f, "filter_rssi=%d\n", config->filter_rssi);
 	if (config->max_num_sta != DEFAULT_MAX_NUM_STA)
 		fprintf(f, "max_num_sta=%u\n", config->max_num_sta);
 	if (config->disassoc_low_ack)