diff --git a/puppet/modules/colab/manifests/init.pp b/puppet/modules/colab/manifests/init.pp
index 86982c8..f2146b9 100644
--- a/puppet/modules/colab/manifests/init.pp
+++ b/puppet/modules/colab/manifests/init.pp
@@ -20,11 +20,13 @@ class colab {
   }
 
   Mailalias {
-    notify => Exec['newaliases'],
+    notify  => Exec['newaliases'],
+    require => Class['postfix'],
   }
 
   exec { 'newaliases':
-    path        => '/usr/bin/newaliases',
+    command     => 'sendmail -bi',
+    path        => '/usr/sbin',
     refreshonly => true,
   }
 
@@ -43,7 +45,6 @@ class colab {
   mailalias { 'colab':
     ensure    => present,
     recipient => 'root',
-    require   => Package['postfix'],
   }
 
   file { 'colab-sudoers':
--
libgit2 0.21.2