diff --git a/manifests/install.pp b/manifests/install.pp
index 049a3e31..75e14135 100644
--- a/manifests/install.pp
+++ b/manifests/install.pp
@@ -18,7 +18,7 @@
   $python = $::python::version ? {
     'system' => 'python',
     'pypy'   => 'pypy',
-    default  => $python::version,
+    default  => "python${python::version}",
   }
 
   $pythondev = $::osfamily ? {