diff --git a/loopback/common/models/vn-model.js b/loopback/common/models/vn-model.js
index f469e893a..992598fb5 100644
--- a/loopback/common/models/vn-model.js
+++ b/loopback/common/models/vn-model.js
@@ -197,6 +197,18 @@ module.exports = function(Self) {
          * Shortcut to VnMySQL.executeP()
          */
         rawSql(query, params, options, cb) {
+            const userId = options.userId;
+            if (userId) {
+                params.unshift(userId);
+                return this.dataSource.connector.executeP(
+                    `CALL account.myUser_loginWithName((SELECT name FROM account.user WHERE id = ?));
+                    ${query};
+                    CALL account.myUser_logout();`,
+                    params,
+                    options,
+                    cb
+                );
+            }
             return this.dataSource.connector.executeP(query, params, options, cb);
         },
 
diff --git a/modules/ticket/back/methods/ticket/makeInvoice.js b/modules/ticket/back/methods/ticket/makeInvoice.js
index 9739f5985..c2de55c96 100644
--- a/modules/ticket/back/methods/ticket/makeInvoice.js
+++ b/modules/ticket/back/methods/ticket/makeInvoice.js
@@ -29,7 +29,7 @@ module.exports = function(Self) {
         const date = Date.vnNew();
         date.setHours(0, 0, 0, 0);
 
-        const myOptions = {};
+        const myOptions = {userId};
         let tx;
 
         if (typeof options == 'object')