diff --git a/Telegram/SourceFiles/storage/serialize_document.cpp b/Telegram/SourceFiles/storage/serialize_document.cpp
index 3e5909995..efbb5c2de 100644
--- a/Telegram/SourceFiles/storage/serialize_document.cpp
+++ b/Telegram/SourceFiles/storage/serialize_document.cpp
@@ -149,6 +149,7 @@ DocumentData *Document::readFromStreamHelper(
 	if ((stream.status() != QDataStream::Ok)
 		|| (!dc && !access)
 		|| !thumb
+		|| !videoThumb
 		|| (thumb->valid()
 			&& (!storage || !storage->isDocumentThumbnail()))) {
 		stream.setStatus(QDataStream::ReadCorruptData);
diff --git a/Telegram/lib_webview b/Telegram/lib_webview
index 672ec0bcb..91c0e6664 160000
--- a/Telegram/lib_webview
+++ b/Telegram/lib_webview
@@ -1 +1 @@
-Subproject commit 672ec0bcbea6ca5c703ef3a4ac7f1f1b8dc652d6
+Subproject commit 91c0e6664db4a444d630e3a0101f599a92df1dd9