diff --git a/.vagrant-puppet/modules/icinga_packages/manifests/init.pp b/.vagrant-puppet/modules/icinga_packages/manifests/init.pp
index 0695996ea..a14ee1bc1 100644
--- a/.vagrant-puppet/modules/icinga_packages/manifests/init.pp
+++ b/.vagrant-puppet/modules/icinga_packages/manifests/init.pp
@@ -1,6 +1,6 @@
 class icinga_packages {
   yumrepo { 'icinga_packages':
-    baseurl   => "http://packages.icinga.org/epel/6/snapshot/",
+    baseurl   => 'http://packages.icinga.org/epel/6/snapshot/',
     enabled   => '1',
     gpgcheck  => '1',
     gpgkey    => 'http://packages.icinga.org/icinga.key',