diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 9e3045113..76c782b7b 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -34,9 +34,12 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <unistd.h>
 #include <signal.h>
 
+#if !defined(_MSC_VER)
+#include <unistd.h>
+#endif
+
 #include "polarssl/config.h"
 
 #include "polarssl/entropy.h"
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index 86b354811..fb2f822d2 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -30,7 +30,14 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
+
+#if !defined(_MSC_VER)
 #include <unistd.h>
+#else
+#include <io.h>
+#define read _read
+#define write _write
+#endif
 
 #if defined(_WIN32) || defined(_WIN32_WCE)