diff --git a/db/routines/vn/triggers/ticket_beforeUpdate.sql b/db/routines/vn/triggers/ticket_beforeUpdate.sql
index 34b6711ff..6d5d7f908 100644
--- a/db/routines/vn/triggers/ticket_beforeUpdate.sql
+++ b/db/routines/vn/triggers/ticket_beforeUpdate.sql
@@ -8,7 +8,13 @@ BEGIN
 	SET NEW.editorFk = account.myUser_getId();
 
 	IF NOT (NEW.routeFk <=> OLD.routeFk) THEN
-		IF NEW.isSigned THEN
+		IF NEW.isSigned AND NOT (
+			SELECT (COUNT(s.id) = COUNT(cb.saleFk)
+					AND SUM(s.quantity) = SUM(cb.quantity))
+				FROM sale s
+					LEFT JOIN claimBeginning cb ON cb.saleFk = s.id
+				WHERE s.ticketFk = NEW.id
+		) THEN
 			CALL util.throw('A signed ticket cannot be rerouted');
 		END IF;
 		INSERT IGNORE INTO routeRecalc(routeFk)