diff --git a/example/dchat/dchatd/example/node1.toml b/example/dchat/dchatd/example/node1.toml
index a8b87d8bf..f0b42fd68 100644
--- a/example/dchat/dchatd/example/node1.toml
+++ b/example/dchat/dchatd/example/node1.toml
@@ -5,6 +5,7 @@ verbose = 2
 hostlist = "example/node1.tsv"
 inbound = ["tcp://127.0.0.1:10202"]
 external_addrs = ["tcp://127.0.0.1:10202"]
+allowed_transports = ["tcp"]
 seeds = ["tcp://127.0.0.1:10200"]
 outbound_connections = 5
 magic_bytes = [127, 64, 12, 201]
diff --git a/example/dchat/dchatd/example/node2.toml b/example/dchat/dchatd/example/node2.toml
index ba181180d..bddd6e65f 100644
--- a/example/dchat/dchatd/example/node2.toml
+++ b/example/dchat/dchatd/example/node2.toml
@@ -6,6 +6,7 @@ hostlist = "example/node2.tsv"
 inbound = ["tcp://127.0.0.1:10201"]
 #auto_advertise = true
 external_addrs=["tcp://127.0.0.1:10201"]
+allowed_transports = ["tcp"]
 seeds = ["tcp://127.0.0.1:10200"]
 outbound_connections = 5
 magic_bytes = [127, 64, 12, 201]
diff --git a/example/dchat/dchatd/example/seed.toml b/example/dchat/dchatd/example/seed.toml
index 13b356f4e..0569aa9ef 100644
--- a/example/dchat/dchatd/example/seed.toml
+++ b/example/dchat/dchatd/example/seed.toml
@@ -5,6 +5,7 @@ verbose = 2
 hostlist = "example/seed.tsv"
 inbound=["tcp://127.0.0.1:10200"]
 external_addrs=["tcp://127.0.0.1:10200"]
+allowed_transports = ["tcp"]
 seeds=[]
 outbound_connections = 5
 magic_bytes=[127, 64, 12, 201]