diff --git a/CHANGELOG b/CHANGELOG
index e29fc253f..e485fb430 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,7 @@
 # Nmap Changelog ($Id$); -*-text-*-
 
+o [GH#700] Enabled support for TLS SNI on the Windows platform. [nnposter]
+
 o [GH#686] Script tls-ticketbleed checks for the Ticketbleed vulnerability
   (CVE-2016-9244) in F5 BIG-IP appliances. [Mak Kolybabi]
 
diff --git a/nbase/nbase_winconfig.h b/nbase/nbase_winconfig.h
index 66e9966db..62b1e747a 100644
--- a/nbase/nbase_winconfig.h
+++ b/nbase/nbase_winconfig.h
@@ -218,6 +218,7 @@ typedef signed __int64 int64_t;
 #endif
 
 #define HAVE_OPENSSL 1
+#define HAVE_SSL_SET_TLSEXT_HOST_NAME 1
 /* Apparently __func__ isn't yet supported */
 #define __func__ __FUNCTION__
 
diff --git a/ncat/config_win.h b/ncat/config_win.h
index 0023a1964..dd700cd54 100644
--- a/ncat/config_win.h
+++ b/ncat/config_win.h
@@ -130,5 +130,6 @@
    isn't available to create config.h. */
 
 #define HAVE_OPENSSL 1
+#define HAVE_SSL_SET_TLSEXT_HOST_NAME 1
 #define HAVE_HTTP_DIGEST 1
-#define HAVE_LUA 1
\ No newline at end of file
+#define HAVE_LUA 1
diff --git a/nmap_winconfig.h b/nmap_winconfig.h
index 13e02a41c..025e11f46 100644
--- a/nmap_winconfig.h
+++ b/nmap_winconfig.h
@@ -143,6 +143,7 @@
 #define NMAPDATADIR "c:\\nmap" /* FIXME: I really need to make this dynamic */
 
 #define HAVE_OPENSSL 1
+#define HAVE_SSL_SET_TLSEXT_HOST_NAME 1
 
 #define LUA_INCLUDED 1
 #undef PCAP_INCLUDED
diff --git a/nping/nping_winconfig.h b/nping/nping_winconfig.h
index 3b1d20170..8b2392501 100644
--- a/nping/nping_winconfig.h
+++ b/nping/nping_winconfig.h
@@ -150,6 +150,7 @@
 #define NPING_PLATFORM "i686-pc-windows-windows"
 
 #define HAVE_OPENSSL 1
+#define HAVE_SSL_SET_TLSEXT_HOST_NAME 1
 /* Apparently __func__ isn't yet supported */
 #define __func__ __FUNCTION__