diff --git a/bigbluebutton-html5/imports/ui/components/layout/push-layout/pushLayoutEngine.jsx b/bigbluebutton-html5/imports/ui/components/layout/push-layout/pushLayoutEngine.jsx
index 15570fccf2..de70c49a1a 100644
--- a/bigbluebutton-html5/imports/ui/components/layout/push-layout/pushLayoutEngine.jsx
+++ b/bigbluebutton-html5/imports/ui/components/layout/push-layout/pushLayoutEngine.jsx
@@ -22,7 +22,7 @@ const propTypes = {
   cameraIsResizing: PropTypes.bool,
   cameraPosition: PropTypes.string,
   focusedCamera: PropTypes.string,
-  horizontalPosition: PropTypes.string,
+  horizontalPosition: PropTypes.bool,
   isLayoutMeetingResizing: PropTypes.bool,
   isPresenter: PropTypes.bool,
   isModerator: PropTypes.bool,