diff --git a/roles/install_babeld/templates/babeld.conf.j2 b/roles/install_babeld/templates/babeld.conf.j2
index dc9b4e8..c3f59f0 100644
--- a/roles/install_babeld/templates/babeld.conf.j2
+++ b/roles/install_babeld/templates/babeld.conf.j2
@@ -41,7 +41,7 @@ local-port 33123
 #default enable-timestamps true
 #interface tun0 max-rtt-penalty 150
 #interface tun0 rtt-max 100
-default type wired max-rtt-penalty 128
+default type tunnel rtt-min 1 rtt-max 20 max-rtt-penalty 128
 export-table 42
 import-table 42