diff --git a/ui/components/app/wallet-overview/wallet-overview.js b/ui/components/app/wallet-overview/wallet-overview.js
index e98accb10..9265e31b0 100644
--- a/ui/components/app/wallet-overview/wallet-overview.js
+++ b/ui/components/app/wallet-overview/wallet-overview.js
@@ -19,7 +19,7 @@ WalletOverview.propTypes = {
   buttons: PropTypes.element.isRequired,
   className: PropTypes.string,
   icon: PropTypes.element.isRequired,
-  loading: PropTypes.boolean,
+  loading: PropTypes.bool,
 };
 
 WalletOverview.defaultProps = {