diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 6d8060d17..0c9f778ff 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -164,8 +164,8 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     // Windows-specific customization
     if (QtWin::isCompositionEnabled())
     {
-        QtWin::extendFrameIntoClientArea(&window);
-        window.setContentsMargins(0, 0, 0, 0);
+        QtWin::extendFrameIntoClientArea(this);
+        setContentsMargins(0, 0, 0, 0);
     }
 #endif
     setWindowComposition();