diff --git a/manifests/os/debian.pp b/manifests/os/debian.pp
index 0a17709d548a29e04c24fb7005567f0d3161d8f2..76acfff28d23d10122d8701f6a2133de40ad4ef9 100644
--- a/manifests/os/debian.pp
+++ b/manifests/os/debian.pp
@@ -189,7 +189,7 @@ class base::os::debian (
 
 class base::os::debian::apt (
   $apt_cache_notin_tmp        = false,
-  $apt_cache_tmp_dir          = '/var/cache/apt/tmp'
+  $apt_cache_tmp_dir          = '/var/cache/apt/tmp',
   $debian_stanford_repo_local = true,
 ){