diff --git a/src/libs/zbxalerter/alert_syncer.c b/src/libs/zbxalerter/alert_syncer.c
index b67cbe9e28f..779e2ace2cc 100644
--- a/src/libs/zbxalerter/alert_syncer.c
+++ b/src/libs/zbxalerter/alert_syncer.c
@@ -730,7 +730,8 @@ static int	am_db_flush_results(zbx_am_db_t *amdb)
 				zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset, " where alertid=" ZBX_FS_UI64 ";\n",
 						result->alertid);
 
-				if (EVENT_SOURCE_TRIGGERS == result->source && NULL != result->value)
+				if ((EVENT_SOURCE_INTERNAL == result->source || EVENT_SOURCE_TRIGGERS == result->source)
+					&& NULL != result->value)
 				{
 					mediatype = zbx_hashset_search(&amdb->mediatypes, &result->mediatypeid);
 					if (NULL != mediatype && 0 != mediatype->process_tags)