diff --git a/src/Avalonia.X11/X11Window.cs b/src/Avalonia.X11/X11Window.cs
index f4e3be29c4..fc15a05e3e 100644
--- a/src/Avalonia.X11/X11Window.cs
+++ b/src/Avalonia.X11/X11Window.cs
@@ -142,7 +142,9 @@ namespace Avalonia.X11
             defaultWidth = Math.Max(defaultWidth, 300);
             defaultHeight = Math.Max(defaultHeight, 200);
 
-            _handle = XCreateWindow(_x11.Display, _x11.RootWindow, 10, 10, defaultWidth, defaultHeight, 0,
+            var parentHandle = popupParent != null ? ((X11Window)popupParent)._handle : _x11.RootWindow;
+
+            _handle = XCreateWindow(_x11.Display, parentHandle, 10, 10, defaultWidth, defaultHeight, 0,
                 depth,
                 (int)CreateWindowArgs.InputOutput, 
                 visual,