diff --git a/pulse.c b/pulse.c
index 067edbd3..fb8676d1 100644
--- a/pulse.c
+++ b/pulse.c
@@ -1761,6 +1761,15 @@ static int pulse_authenticate(struct openconnect_info *vpninfo, int connecting)
 			realms_found++;
 		} else if (avp_vendor == VENDOR_JUNIPER2 && avp_code == 0xd4f) {
 			realm_entry++;
+		} else if (avp_vendor == VENDOR_JUNIPER2 && avp_code == 0xd5c) {
+			uint32_t val;
+
+			if (avp_len != 4)
+				goto auth_unknown;
+			val = load_be32(avp_p);
+
+			if (val)
+				vpninfo->auth_expiration = time(NULL) + val;
 		} else if (avp_vendor == VENDOR_JUNIPER2 && avp_code == 0xd53) {
 			free(vpninfo->cookie);
 			vpninfo->cookie = strndup(avp_p, avp_len);