diff --git a/manifests/init.pp b/manifests/init.pp
index e3b91d3fd31f8bfecd3237f29eab42306b84e9b2..608ae0b9b1cf00d0e826e5f66ca351a6eee79218 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -5,12 +5,13 @@
 # @example
 #   include easybuild
 class easybuild {
+  $arch = ''
   file { '/etc/easybuild.d':
     ensure => 'directory',
   }
   file { '/etc/easybuild.d/config.cfg':
     ensure  => 'present',
-    content => epp('easybuild/config.cfg.epp', {'architecture' => 'prueba'}),
+    content => epp('easybuild/config.cfg.epp', {'architecture' => $arch}),
     require => File['/etc/easybuild.d'],
   }
 }