diff --git a/src/govuk/components/radios/radios.js b/src/govuk/components/radios/radios.js
index 6e307f23e0..8216811ab4 100644
--- a/src/govuk/components/radios/radios.js
+++ b/src/govuk/components/radios/radios.js
@@ -59,7 +59,7 @@ Radios.prototype.handleClick = function (event) {
   var $allInputs = $scope.querySelectorAll('input[type="radio"][aria-controls]')
   nodeListForEach($allInputs, function ($input) {
     // In radios, only radios with the same name will affect each other.
-    if ($clickedInput.name === $input.name) {
+    if ($input.name === $clickedInput.name) {
       this.setAttributes($input)
     }
   }.bind(this))