diff --git a/manifests/source.pp b/manifests/source.pp
index 106b16000c..2c26227ec4 100644
--- a/manifests/source.pp
+++ b/manifests/source.pp
@@ -4,7 +4,7 @@
 define apt::source(
   $ensure            = present,
   $location          = '',
-  $release           = $lsbdistcodename,
+  $release           = $::lsbdistcodename,
   $repos             = 'main',
   $include_src       = true,
   $required_packages = false,