diff --git a/bigbluebutton-html5/imports/ui/components/chat/component.jsx b/bigbluebutton-html5/imports/ui/components/chat/component.jsx
index affb35dcc5cf923d483af25c6e69d5ca6a446a10..b7069521d342e96a150675869d2571d218c488bc 100644
--- a/bigbluebutton-html5/imports/ui/components/chat/component.jsx
+++ b/bigbluebutton-html5/imports/ui/components/chat/component.jsx
@@ -127,7 +127,7 @@ const propTypes = {
     PropTypes.object,
   ])).isRequired).isRequired,
   scrollPosition: PropTypes.number,
-  shortcuts: PropTypes.string.isRequired,
+  shortcuts: PropTypes.objectOf(PropTypes.string),
   hasUnreadMessages: PropTypes.bool.isRequired,
   lastReadMessageTime: PropTypes.number.isRequired,
   partnerIsLoggedOut: PropTypes.bool.isRequired,