diff --git a/update/2_3.sql b/update/2_3.sql
index 3449cabec..2992cea3a 100644
--- a/update/2_3.sql
+++ b/update/2_3.sql
@@ -899,7 +899,7 @@ UPDATE `zz_widgets` SET `query` = 'SELECT CONCAT_WS(" ", REPLACE(REPLACE(REPLACE
 UPDATE `zz_widgets` SET `query` = 'SELECT CONCAT_WS(" ", REPLACE(REPLACE(REPLACE(FORMAT(SUM(prezzo_acquisto*qta),2), ",", "#"), ".", ","), "#", "."), "€") AS dato FROM mg_articoli WHERE qta>0' WHERE `name` = 'Valore magazzino';
 
 -- Fix per le sessioni di lavoro dei tecnici precedenti
-UPDATE `in_interventi_tecnici` SET `idtipointervento` = (SELECT `idtipointervento` FROM `in_interventi` WHERE `idintervento` = `in_interventi`.`id`) WHERE `idtipointervento` = '';
+UPDATE `in_interventi_tecnici` SET `idtipointervento` = (SELECT `idtipointervento` FROM `in_interventi` WHERE `in_interventi_tecnici`.`idintervento` = `in_interventi`.`id`) WHERE `idtipointervento` = '';
 
 -- Fix per i serial number
 ALTER TABLE `mg_prodotti` ADD `id_riga_documento` int(11), ADD FOREIGN KEY (`id_riga_documento`) REFERENCES `co_righe_documenti`(`id`) ON DELETE CASCADE, ADD `id_riga_ordine` int(11), ADD FOREIGN KEY (`id_riga_ordine`) REFERENCES `or_righe_ordini`(`id`) ON DELETE CASCADE, ADD `id_riga_ddt` int(11), ADD FOREIGN KEY (`id_riga_ddt`) REFERENCES `dt_righe_ddt`(`id`) ON DELETE CASCADE, ADD `id_riga_intervento` int(11), ADD FOREIGN KEY (`id_riga_intervento`) REFERENCES `mg_articoli_interventi`(`id`) ON DELETE CASCADE, ADD `dir` enum('entrata', 'uscita') DEFAULT 'uscita', CHANGE `idarticolo` `id_articolo` int(11), ADD FOREIGN KEY (`id_articolo`) REFERENCES `mg_articoli`(`id`) ON DELETE SET NULL, CHANGE `serial` `serial` varchar(50), CHANGE `lotto` `lotto` varchar(50), CHANGE `altro` `altro` varchar(50);