diff --git a/packages/scratch-gui/src/components/gui/gui.jsx b/packages/scratch-gui/src/components/gui/gui.jsx
index 089fe72e54e..552e5fed645 100644
--- a/packages/scratch-gui/src/components/gui/gui.jsx
+++ b/packages/scratch-gui/src/components/gui/gui.jsx
@@ -153,6 +153,7 @@ const GUIComponent = props => {
         isFetchingUserData,
         isFullScreen,
         isPlayerOnly,
+        isReadOnly,
         isRtl,
         isShared,
         isTelemetryEnabled,
@@ -611,6 +612,7 @@ GUIComponent.propTypes = {
     isFetchingUserData: PropTypes.bool,
     isFullScreen: PropTypes.bool,
     isPlayerOnly: PropTypes.bool,
+    isReadOnly: PropTypes.bool,
     isRtl: PropTypes.bool,
     isShared: PropTypes.bool,
     isTotallyNormal: PropTypes.bool,