diff --git a/src/zabbix_server/lld/lld_trigger.c b/src/zabbix_server/lld/lld_trigger.c
index 57282f45c0..f487762cd2 100644
--- a/src/zabbix_server/lld/lld_trigger.c
+++ b/src/zabbix_server/lld/lld_trigger.c
@@ -2234,7 +2234,7 @@ static void	lld_triggers_validate(zbx_uint64_t hostid, zbx_vector_ptr_t *trigger
 		zbx_snprintf_alloc(&sql, &sql_alloc, &sql_offset,
 				"select t.triggerid,t.description,t.expression,t.recovery_expression"
 				" from triggers t"
-				" where t.triggerid in (select distinct t.triggerid"
+				" where t.triggerid in (select distinct tg.triggerid"
 					" from triggers tg,functions f,items i"
 					" where tg.triggerid=f.triggerid"
 						" and f.itemid=i.itemid"