diff --git a/garr/shib2common/manifests/definitions/instance.pp b/garr/shib2common/manifests/definitions/instance.pp
index 246b88ded38facac10776c536d4a1485767e7e21..82801589c866dc0c0c0a07e1a082f1c9d623a3eb 100644
--- a/garr/shib2common/manifests/definitions/instance.pp
+++ b/garr/shib2common/manifests/definitions/instance.pp
@@ -52,6 +52,8 @@ define shib2common::instance(
 
     class { 'shib2common::postinstall': }
     
-    class { 'shib2common::updatesecurity': }
+    class { 'shib2common::updatesecurity':
+      disable_reboot => true,
+    }
 
 }
diff --git a/garr/shib2common/templates/50unattended-upgrades.erb b/garr/shib2common/templates/50unattended-upgrades.erb
index 47a77499d3691fdf39a2598c7c411d3595f75120..4d25b6c1ee9e14147efb824f05a6828c35581191 100644
--- a/garr/shib2common/templates/50unattended-upgrades.erb
+++ b/garr/shib2common/templates/50unattended-upgrades.erb
@@ -56,4 +56,4 @@ Unattended-Upgrade::Automatic-Reboot "false";
 
 // Use apt bandwidth limit feature, this example limits the download
 // speed to 70kb/sec
-//Acquire::http::Dl-Limit "70";
\ No newline at end of file
+//Acquire::http::Dl-Limit "70";