diff --git a/global/overlay/etc/puppet/modules/cdn/manifests/l4lb.pp b/global/overlay/etc/puppet/modules/cdn/manifests/l4lb.pp
index 9366834..d2c2fd4 100644
--- a/global/overlay/etc/puppet/modules/cdn/manifests/l4lb.pp
+++ b/global/overlay/etc/puppet/modules/cdn/manifests/l4lb.pp
@@ -1,6 +1,6 @@
 # Configure the SUNET CDN l4lb service
 class cdn::l4lb(
-  Bool $cilium_enabled = false,
+  Boolean $cilium_enabled = false,
   String $cilium_version = 'v1.16.1',
   String $cilium_devices = 'enp129s0f1np1',
 )