diff --git a/win/vncviewer/DesktopWindow.cxx b/win/vncviewer/DesktopWindow.cxx
index 5500025..fcf829f 100644
--- a/win/vncviewer/DesktopWindow.cxx
+++ b/win/vncviewer/DesktopWindow.cxx
@@ -270,7 +270,7 @@
     vlog.debug("flags=%x", flags);
 
     SetWindowLong(handle, GWL_STYLE, flags);
-    SetWindowPos(handle, HWND_TOP, mi.rcMonitor.left, mi.rcMonitor.top,
+    SetWindowPos(handle, HWND_TOPMOST, mi.rcMonitor.left, mi.rcMonitor.top,
       mi.rcMonitor.right-mi.rcMonitor.left,
       mi.rcMonitor.bottom-mi.rcMonitor.top,
       SWP_FRAMECHANGED);