diff -ur FreeRDP-2.0.0-rc1-orig/libfreerdp/core/nla.c FreeRDP-2.0.0-rc1/libfreerdp/core/nla.c
--- FreeRDP-2.0.0-rc1-orig/libfreerdp/core/nla.c	2017-11-28 15:26:30.000000000 +0100
+++ FreeRDP-2.0.0-rc1/libfreerdp/core/nla.c	2018-03-14 16:25:02.230620541 +0100
@@ -1663,14 +1663,17 @@
 static int nla_decode_ts_request(rdpNla* nla, wStream* s)
 {
 	int length;
+	UINT32 version = 0;
 
 	/* TSRequest */
 	if (!ber_read_sequence_tag(s, &length) ||
 	    !ber_read_contextual_tag(s, 0, &length, TRUE) ||
-	    !ber_read_integer(s, &nla->version))
+	    !ber_read_integer(s, &version))
 	{
 		return -1;
 	}
+	if (version < nla->version)
+		nla->version = version;
 
 	/* [1] negoTokens (NegoData) */
 	if (ber_read_contextual_tag(s, 1, &length, TRUE) != FALSE)