diff --git a/src/models/constants.go b/src/models/constants.go
index 4c074981..6e3fd34d 100644
--- a/src/models/constants.go
+++ b/src/models/constants.go
@@ -5,3 +5,4 @@ const TCP_BUFFER_SIZE = 1024 * 64
 
 // DEFAULT_RELAY is the default relay used (can be set using --relay)
 const DEFAULT_RELAY = "142.93.177.120:9009"
+const DEFAULT_RELAY6 = "[2604:a880:800:c1::14c:1]:9009"