diff --git a/packages/sage-react/lib/Button/Button.jsx b/packages/sage-react/lib/Button/Button.jsx
index 59b9b926ca..e7a256120d 100644
--- a/packages/sage-react/lib/Button/Button.jsx
+++ b/packages/sage-react/lib/Button/Button.jsx
@@ -54,7 +54,7 @@ export const Button = React.forwardRef(({
     }
   );
 
-  let setIconClassName = (iconOnly, iconPosition) => {
+  const setIconClassName = (iconOnly, iconPosition) => {
     if (iconOnly) {
       return '';
     }