diff --git a/glean/cmd.py b/glean/cmd.py
index a030ec7..157c2c5 100644
--- a/glean/cmd.py
+++ b/glean/cmd.py
@@ -540,7 +540,7 @@ def write_networkd_interfaces(interfaces, sys_interfaces):
 
     for mac, iname in sorted(
             sys_interfaces.items(), key=lambda x: x[1]):
-        if _exists_gentoo_interface(iname):
+        if _exists_networkd_interface(iname):
             # This interface already has a config file, move on
             log.debug("%s already has config file, skipping" % iname)
             continue
@@ -600,6 +600,12 @@ def write_networkd_interfaces(interfaces, sys_interfaces):
     return files_to_write
 
 
+def _exists_networkd_interface(name):
+    network_file = '/etc/systemd/network/{name}.network'.format(name=name)
+    netdev_file = '/etc/systemd/network/{name}.netdev'.format(name=name)
+    return (os.path.exists(network_file) or os.path.exists(netdev_file))
+
+
 def _exists_gentoo_interface(name):
     file_to_check = '/etc/conf.d/net.{name}'.format(name=name)
     return os.path.exists(file_to_check)