diff --git a/vncviewer/CConn.cxx b/vncviewer/CConn.cxx
index 8d233f0..31ceff1 100644
--- a/vncviewer/CConn.cxx
+++ b/vncviewer/CConn.cxx
@@ -38,6 +38,7 @@
 #include "OptionsDialog.h"
 #include "i18n.h"
 #include "parameters.h"
+#include "vncviewer.h"
 
 #ifdef WIN32
 #include "win32.h"
@@ -47,8 +48,6 @@
 using namespace rfb;
 using namespace std;
 
-extern void exit_vncviewer();
-
 static rfb::LogWriter vlog("CConn");
 
 static const PixelFormat mediumColourPF(8,3,0,1,1,1,1,2,1,0);