diff --git a/ui/platform/ui_platform_window.cpp b/ui/platform/ui_platform_window.cpp
index d6a6e18..741a73a 100644
--- a/ui/platform/ui_platform_window.cpp
+++ b/ui/platform/ui_platform_window.cpp
@@ -11,6 +11,7 @@
 #include "ui/widgets/window.h"
 #include "ui/widgets/shadow.h"
 #include "ui/painter.h"
+#include "ui/style/style_core_scale.h"
 #include "styles/style_widgets.h"
 #include "styles/style_layers.h"
 
@@ -356,7 +357,7 @@ void DefaultWindowHelper::updateWindowExtents() {
 	if (hasShadow()) {
 		Platform::SetWindowExtents(
 			window()->windowHandle(),
-			resizeArea());
+			resizeArea() * style::DevicePixelRatio());
 
 		_extentsSet = true;
 	} else if (_extentsSet) {