diff --git a/htdocs/telephonie/client/tarifs.php b/htdocs/telephonie/client/tarifs.php
index e9684e06fb1..f252b3a686c 100644
--- a/htdocs/telephonie/client/tarifs.php
+++ b/htdocs/telephonie/client/tarifs.php
@@ -165,13 +165,17 @@ if ($cancel == $langs->trans("Cancel"))
  *
  */
 
-
 if ($_GET["id"])
 {
   $soc = new Societe($db);
   $result = $soc->fetch($_GET["id"]);
 
-  if ( $result == 1 )
+  if (!$soc->perm_read)
+    {
+      print "Lecture non authorisée";
+    }
+
+  if ( $result == 1 && $soc->perm_read)
     { 
       if ($_GET["action"] <> 'edit' && $_GET["action"] <> 're-edit')
 	{