diff --git a/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.cpp b/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.cpp
index 3a39e23af..0fed7b229 100644
--- a/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.cpp
+++ b/Telegram/SourceFiles/ui/chat/attach/attach_bot_webview.cpp
@@ -375,7 +375,7 @@ Panel::Panel(
 , _widget(std::make_unique<SeparatePanel>())
 , _allowClipboardRead(allowClipboardRead) {
 	_widget->setWindowFlag(Qt::WindowStaysOnTopHint, false);
-	_widget->setInnerSize(st::botWebViewPanelSize);
+	_widget->setInnerSize(st::botWebViewPanelSize, true);
 
 	_widget->closeRequests(
 	) | rpl::start_with_next([=] {
@@ -708,6 +708,9 @@ bool Panel::createWebview(const Webview::ThemeParams &params) {
 	) | rpl::start_with_next([=](QRect geometry, int footer) {
 		if (const auto view = raw->widget()) {
 			view->setGeometry(geometry.marginsRemoved({ 0, 0, 0, footer }));
+			crl::on_main(view, [=] {
+				sendViewport();
+			});
 		}
 	}, _webview->lifetime);
 
diff --git a/Telegram/lib_ui b/Telegram/lib_ui
index c1d403512..650a50ef3 160000
--- a/Telegram/lib_ui
+++ b/Telegram/lib_ui
@@ -1 +1 @@
-Subproject commit c1d40351208d70c79a2238740fc359238ed028b7
+Subproject commit 650a50ef30c0581f28abeb7afc12d8427e971c22