diff --git a/src/layout/Menu.js b/src/layout/Menu.js
index 2113cb99cdcaffcaf4c186989e5e569f85821d8a..d50803c4cfe3fb575411f8325b06f4df12053ccf 100644
--- a/src/layout/Menu.js
+++ b/src/layout/Menu.js
@@ -83,7 +83,7 @@ const Accordeon = (props) => {
 
 Accordeon.propTypes = {
   open: PropTypes.bool,
-  permissions: [PropTypes.string],
+  permissions: PropTypes.arrayOf(PropTypes.string),
   title: PropTypes.string,
   children: PropTypes.node,
   to: PropTypes.string
@@ -106,7 +106,7 @@ const Item = (props) => {
 
 Item.propTypes = {
   to: PropTypes.string,
-  permissions: [PropTypes.string]
+  permissions: PropTypes.string
 };
 
 const Menu = ({ logout }) => {