diff --git a/vncviewer/DesktopWindow.cxx b/vncviewer/DesktopWindow.cxx
index 859d2b6..14f720c 100644
--- a/vncviewer/DesktopWindow.cxx
+++ b/vncviewer/DesktopWindow.cxx
@@ -27,6 +27,7 @@
 #include "OptionsDialog.h"
 #include "i18n.h"
 #include "parameters.h"
+#include "vncviewer.h"
 
 #include <FL/Fl_Scroll.H>
 #include <FL/x.H>
@@ -41,8 +42,6 @@
 
 using namespace rfb;
 
-extern void exit_vncviewer();
-
 static rfb::LogWriter vlog("DesktopWindow");
 
 DesktopWindow::DesktopWindow(int w, int h, const char *name,