diff --git a/roles/application-wireguard/templates/set-mtu.sh.j2 b/roles/application-wireguard/templates/set-mtu.sh.j2
index e1a8edf1..43313665 100644
--- a/roles/application-wireguard/templates/set-mtu.sh.j2
+++ b/roles/application-wireguard/templates/set-mtu.sh.j2
@@ -1,3 +1,4 @@
 #!/bin/bash
-ip li set mtu 1400 dev eth0
-ip li set mtu 1400 dev wlo1
\ No newline at end of file
+{% for internet_interface in internet_interfaces %}
+ip li set mtu 1400 dev {{internet_interface}}
+{% endfor %}
\ No newline at end of file