diff --git a/apt/manifests/init.pp b/apt/manifests/init.pp
index 0f01a3b..69ff71f 100644
--- a/apt/manifests/init.pp
+++ b/apt/manifests/init.pp
@@ -45,21 +45,22 @@ define apt::ppa($ensure = "present") {
 
     tag("bootstrap")
 
+    include apt
     include apt::ppa::helper
-    $fname = gsub($name, "^ppa:([^\/]+)\/(.+)", "\\1-\\2-${lsbdistcodename}.list")
+    $fname = regsubst($name, "^ppa:([^\/]+)\/(.+)", "\\1-\\2-${lsbdistcodename}.list")
 
     case $ensure {
         "present": {
             exec { "add-apt-repository ${name}":
                 path    => "/bin:/usr/bin:/sbin:/usr/sbin",
                 user    => "root",
-                creates => $fname,
+                creates => "/etc/apt/sources.list.d/${fname}",
                 require => Package["python-software-properties"],
                 notify  => Exec["apt-get-update"],
             }
         }
         "absent": {
-            file { $fname:
+            file { "/etc/apt/sources.list.d/${fname}":
                 ensure => absent,
                 notify => Exec["apt-get-update"],
             }