diff --git a/wpa_supplicant/ap.c b/wpa_supplicant/ap.c
index 1e00f35b5..7710a8df3 100644
--- a/wpa_supplicant/ap.c
+++ b/wpa_supplicant/ap.c
@@ -450,6 +450,8 @@ static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
 		os_memcpy(bss->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
 	os_memcpy(bss->os_version, wpa_s->conf->os_version, 4);
 	bss->pbc_in_m1 = wpa_s->conf->pbc_in_m1;
+	if (ssid->eap.fragment_size != DEFAULT_FRAGMENT_SIZE)
+		bss->fragment_size = ssid->eap.fragment_size;
 no_wps:
 #endif /* CONFIG_WPS */