diff --git a/manifests/public_ip.pp b/manifests/public_ip.pp
index d1cab325a4f5838153fce9b2731ea52162fdd8f4..2841d3e592ab06899257d72412667016f45891ed 100644
--- a/manifests/public_ip.pp
+++ b/manifests/public_ip.pp
@@ -70,7 +70,7 @@ class lysnetwork::public_ip (
       },
     }
 
-    file { "/etc/systemd/network/${iface}.conf":
+    file { "/etc/systemd/network/${iface}.network":
       ensure  => present,
       content => epp('lysnetwork/unit_file.epp', { data => $content }),
       notify  => Service['systemd-networkd'],