diff --git a/doc/rpm-build/debian.egroupware-epl-core.conffiles b/doc/rpm-build/debian.egroupware-epl-core.conffiles
index ed34b23dbf..c022e8f0ef 100644
--- a/doc/rpm-build/debian.egroupware-epl-core.conffiles
+++ b/doc/rpm-build/debian.egroupware-epl-core.conffiles
@@ -1,2 +1,3 @@
 /var/lib/egroupware/header.inc.php
 /etc/egroupware/apache.conf
+/etc/egroupware/nginx.conf
diff --git a/doc/rpm-build/post_install.php b/doc/rpm-build/post_install.php
index 5320abf1be..782320b7a8 100755
--- a/doc/rpm-build/post_install.php
+++ b/doc/rpm-build/post_install.php
@@ -590,7 +590,7 @@ function usage($error=null)
 }
 
 /**
- * fix egw_cache perms evtl. created by root, stoping webserver from accessing it
+ * fix egw_cache and files_dir perms evtl. created by root, stoping webserver from accessing it
  */
 function fix_perms()
 {
@@ -601,6 +601,11 @@ function fix_perms()
 		system('/bin/chown -R '.$config['webserver_user'].' /tmp/egw_cache');
 		system('/bin/chmod 700 /tmp/egw_cache');
 	}
+	// in case update changes something in filesystem
+	if (file_exists($config['data_dir']) && !empty($config['webserver_user']))
+	{
+		system('/bin/chown -R '.$config['webserver_user'].' '.$config['data_dir']);
+	}
 }
 
 /**