diff --git a/modules/apt/manifests/ppa.pp b/modules/apt/manifests/ppa.pp
index 9121cfbee5..f8e276bc7a 100644
--- a/modules/apt/manifests/ppa.pp
+++ b/modules/apt/manifests/ppa.pp
@@ -1,5 +1,5 @@
 define apt::ppa($ensure = present) {
-  $has_ppa = "/usr/bin/test -f /etc/apt/sources.list.d/`echo $name | cut -f2 -d: | sed 's/\//-/'`*list"
+  $has_ppa = "/usr/bin/test -f /etc/apt/sources.list.d/`echo $name | cut -f2 -d: | tr / -`*list"
   case $ensure {
     present: {
       exec { "Add $name PPA":