diff --git a/bureau/class/m_dom.php b/bureau/class/m_dom.php
index 184dcc90..21436e9c 100644
--- a/bureau/class/m_dom.php
+++ b/bureau/class/m_dom.php
@@ -965,7 +965,7 @@ class m_dom {
     $db->next_record();
     if ($db->f('create_tmpdir')) {
       if (! is_dir($dest_root . "/tmp")) {
-	if(!mkdir($dest_root . "/tmp")){
+	if(!mkdir($dest_root . "/tmp",0770,true)){
 	  $err->raise("dom",_("Cannot write to the destination folder"));
 	}
       }
diff --git a/bureau/class/m_quota.php b/bureau/class/m_quota.php
index 95d939ee..ba0fc6e7 100644
--- a/bureau/class/m_quota.php
+++ b/bureau/class/m_quota.php
@@ -185,7 +185,7 @@ class m_quota {
       exec("sudo /usr/lib/alternc/quota_edit $cuid $size &> /dev/null &");
       // Now we check that the value has been written properly : 
       exec("sudo /usr/lib/alternc/quota_get $cuid &> /dev/null &",$a);
-      if ($size!=$a[1]) {
+      if (!isset($a[1]) || $size!=$a[1]) {
 	$err->raise("quota",_("Error writing the quota entry!"));
 	return false;
       }