diff --git a/vncviewer/CConn.cxx b/vncviewer/CConn.cxx
index 5ae26f0..8d233f0 100644
--- a/vncviewer/CConn.cxx
+++ b/vncviewer/CConn.cxx
@@ -18,7 +18,9 @@
  */
 
 #include <assert.h>
+#ifndef _WIN32
 #include <unistd.h>
+#endif
 
 #include <rfb/CMsgWriter.h>
 #include <rfb/encodings.h>
@@ -37,6 +39,10 @@
 #include "i18n.h"
 #include "parameters.h"
 
+#ifdef WIN32
+#include "win32.h"
+#endif
+
 using namespace rdr;
 using namespace rfb;
 using namespace std;