diff --git a/src/lib/w32/unistd.h b/src/lib/w32/unistd.h
index 43c8a8d5..f0e6b970 100644
--- a/src/lib/w32/unistd.h
+++ b/src/lib/w32/unistd.h
@@ -34,7 +34,12 @@
 #ifndef UNISTD_H
 #define UNISTD_H
 
+#include <io.h>
 #include <stdio.h>
+#ifdef fileno
+#undef fileno
+#endif
+#include "sys/socket.h"
 #include "getopt.h"
 #include <sys/stat.h>