diff --git a/src/app/tabs/test-tab.js b/src/app/tabs/test-tab.js
index 2a13c6876e..45f890a898 100644
--- a/src/app/tabs/test-tab.js
+++ b/src/app/tabs/test-tab.js
@@ -157,7 +157,7 @@ module.exports = class TestTab {
       // checks/unchecks all
       for (let i = 0; i < checkBoxes.length; i++) {
         checkBoxes[i].checked = event.target.checked
-        toggleCheckbox(event.target.checkedt, checkboxesLabels[i].innerText)
+        toggleCheckbox(event.target.checked, checkboxesLabels[i].innerText)
       }
     }