diff --git a/vncviewer/DesktopWindow.cxx b/vncviewer/DesktopWindow.cxx
index 408efd1..3973cd6 100644
--- a/vncviewer/DesktopWindow.cxx
+++ b/vncviewer/DesktopWindow.cxx
@@ -395,6 +395,12 @@
 }
 
 
+void DesktopWindow::setLEDState(unsigned int state)
+{
+  viewport->setLEDState(state);
+}
+
+
 void DesktopWindow::resize(int x, int y, int w, int h)
 {
   bool resizing;