diff --git a/tmate.h b/tmate.h
index 63cbb4b6..2e0606a1 100644
--- a/tmate.h
+++ b/tmate.h
@@ -72,7 +72,7 @@ extern void tmate_decoder_commit(struct tmate_decoder *decoder, size_t len);
 #define TMATE_HOST "localhost"
 #define TMATE_PORT 2200
 #else
-#define TMATE_HOST "tmate.io"
+#define TMATE_HOST "master.tmate.io"
 #define TMATE_PORT 22
 #define TMATE_HOST_DSA_KEY   "f5:26:31:c3:8a:78:6e:5c:77:74:0f:41:5b:5f:21:88"
 #define TMATE_HOST_RSA_KEY   "af:2d:81:c1:fe:49:70:2d:7f:09:a9:d7:4b:32:e3:be"