diff --git a/roles/install_babeld/templates/babeld.conf.j2 b/roles/install_babeld/templates/babeld.conf.j2
index 1741369..fbf7e30 100644
--- a/roles/install_babeld/templates/babeld.conf.j2
+++ b/roles/install_babeld/templates/babeld.conf.j2
@@ -37,6 +37,9 @@ import-table 42
 reflect-kernel-metric true
 
 # Filtering rules.
+{% if 'uplink' in group_names %}
+in le 0 deny # ignore default routes on uplinks
+{% endif %}
 
 {% if 'mullvad_uplink' in group_names %}
 redistribute if mullvad metric 256