diff --git a/modules/ticket/front/sale/index.js b/modules/ticket/front/sale/index.js
index 6ccc05e9d3..42ff5f116a 100644
--- a/modules/ticket/front/sale/index.js
+++ b/modules/ticket/front/sale/index.js
@@ -179,7 +179,7 @@ class Controller {
     totalCheckedLines() {
         const checkedLines = this.checkedLines();
         if (checkedLines)
-            return checkedLines.lengt;
+            return checkedLines.length;
     }
 
     removeCheckedLines() {