diff --git a/app/assets/javascripts/apiKey.js b/app/assets/javascripts/apiKey.js
index cdd7aaf0e..4d8658a7c 100644
--- a/app/assets/javascripts/apiKey.js
+++ b/app/assets/javascripts/apiKey.js
@@ -29,9 +29,10 @@
 
     this.getRangeFromElement = function (keyElement) {
       const range = document.createRange();
+      const childNodes = Array.prototype.slice.call(keyElement.childNodes);
       let prefixIndex = -1;
 
-      Array.from(keyElement.childNodes).forEach((el, idx) => {
+      childNodes.forEach((el, idx) => {
         if ((el.nodeType === 1) && el.classList.contains('govuk-visually-hidden')) {
           prefixIndex = idx;
         }
diff --git a/app/assets/stylesheets/components/api-key.scss b/app/assets/stylesheets/components/api-key.scss
index b481c9558..8ea44a3f1 100644
--- a/app/assets/stylesheets/components/api-key.scss
+++ b/app/assets/stylesheets/components/api-key.scss
@@ -22,6 +22,7 @@
 
     position: absolute;
     bottom: 2px;
+    left: 0px;
 
     &:active {
       top: auto;