diff --git a/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp b/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp
index 1505f34..163f0b8 100644
--- a/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp
+++ b/global/overlay/etc/puppet/modules/cdn/manifests/cache.pp
@@ -56,7 +56,7 @@ class cdn::cache(
   }
   # Reload the network config if it has changed
   exec { "networkctl reload":
-    subscribe   => File[/etc/systemd/network/cdn-dummy.network],
+    subscribe   => File['/etc/systemd/network/cdn-dummy.network'],
     refreshonly => true,
   }