diff --git a/ui/component/selectThumbnail/view.jsx b/ui/component/selectThumbnail/view.jsx index a96fc11a0..dcda827f2 100644 --- a/ui/component/selectThumbnail/view.jsx +++ b/ui/component/selectThumbnail/view.jsx @@ -35,7 +35,7 @@ class SelectThumbnail extends React.PureComponent { updatePublishForm({ thumbnail: newThumbnail, - thumbnailError: false, + thumbnailError: newThumbnail.startsWith('data:image'), }); }