diff --git a/modules/ticket/back/methods/ticket/saveSign.js b/modules/ticket/back/methods/ticket/saveSign.js
index 9f953cb1a6..e062e6f845 100644
--- a/modules/ticket/back/methods/ticket/saveSign.js
+++ b/modules/ticket/back/methods/ticket/saveSign.js
@@ -136,8 +136,6 @@ module.exports = Self => {
                         code: 'DELIVERED'
                     }
                 }, options);
-                if (!deliveryState)
-                    throw new UserError('The DELIVERED state does not exist');
 
                 await models.Ticket.state(ctx, {
                     ticketFk: ticketId,
diff --git a/modules/ticket/back/methods/ticket/state.js b/modules/ticket/back/methods/ticket/state.js
index 3b22fac3fc..fea9475f8c 100644
--- a/modules/ticket/back/methods/ticket/state.js
+++ b/modules/ticket/back/methods/ticket/state.js
@@ -58,13 +58,10 @@ module.exports = Self => {
                 fields: ['stateFk']
             }, myOptions);
 
-            const oldStateAllowed = ticketState ?
-                await models.State.isEditable(ctx, ticketState.stateFk, myOptions) :
-                false;
-
+            const oldStateAllowed = ticketState && await models.State.isEditable(ctx, ticketState.stateFk, myOptions);
             const newStateAllowed = await models.State.isEditable(ctx, params.stateFk, myOptions);
 
-            if (!((!ticketState || oldStateAllowed == true) && newStateAllowed == true))
+            if ((ticketState && !oldStateAllowed) || !newStateAllowed)
                 throw new UserError(`You don't have enough privileges`, 'ACCESS_DENIED');
 
             await Self.rawSql(`CALL vn.ticket_setState(?, ?)`, [params.ticketFk, params.code], myOptions);