diff --git a/htdocs/categories/viewcat.php b/htdocs/categories/viewcat.php
index 4306bc728d6..441f8454262 100644
--- a/htdocs/categories/viewcat.php
+++ b/htdocs/categories/viewcat.php
@@ -278,13 +278,13 @@ print "<div class='tabsAction'>\n";
 
 if ($user->rights->categorie->creer)
 {
-	$socid = ($object->socid ? "&amp;socid=".$object->socid : "");
-	print "<a class='butAction' href='edit.php?id=".$object->id.$socid."&amp;type=".$type."'>".$langs->trans("Modify")."</a>";
+	$socid = ($object->socid ? "&socid=".$object->socid : "");
+	print "<a class='butAction' href='edit.php?id=".$object->id.$socid."&type=".$type."'>".$langs->trans("Modify")."</a>";
 }
 
 if ($user->rights->categorie->supprimer)
 {
-	print "<a class='butActionDelete' href='".DOL_URL_ROOT."/categories/viewcat.php?action=delete&amp;token='.newToken().'&amp;id=".$object->id."&amp;type=".$type."'>".$langs->trans("Delete")."</a>";
+    print "<a class='butActionDelete' href='".$_SERVER["PHP_SELF"]."?action=delete&token=".newToken()."&id=".$object->id."&type=".$type."'>".$langs->trans("Delete")."</a>";
 }
 
 print "</div>";