diff --git a/src/epggrab/module/opentv.c b/src/epggrab/module/opentv.c
index 2148c640..ded80eb1 100644
--- a/src/epggrab/module/opentv.c
+++ b/src/epggrab/module/opentv.c
@@ -401,8 +401,10 @@ opentv_desc_channels
     /* Find the service */
     svc = mpegts_service_find(mm, sid, 0, 0, NULL);
     tvhtrace(mt->mt_name, "     svc %p [%s]", svc, svc ? svc->s_nicename : NULL);
-    if (svc)
+    if (svc && svc->s_dvb_opentv_chnum != cnum) {
       svc->s_dvb_opentv_chnum = cnum;
+      service_request_save((service_t *)svc, 0);
+    }
     if (svc && LIST_FIRST(&svc->s_channels)) {
       ec  =_opentv_find_epggrab_channel(mod, cid, 1, &save);
       ecl = LIST_FIRST(&ec->channels);