diff --git a/vrt2tei.pl b/vrt2tei.pl
index 2db2a6b..9ee18b5 100755
--- a/vrt2tei.pl
+++ b/vrt2tei.pl
@@ -501,7 +501,8 @@
     
     # set attrs of <s>
     $sentence->set_att("xml:lang", $sentence->att("lang"));  # ToDo: convert the value / introduce a hash for lookup (input values: "fin", "xxx", ....)
-    $sentence->change_att_name('id', 'xml:id');
+    # $sentence->change_att_name('id', 'xml:id');            # nicht eindeutig
+    $sentence->del_att('id');
     $sentence->del_att("lang");                         # replaced by xml:lang
     $sentence->del_att("lang_conf");                    # for the time being
     
@@ -540,7 +541,7 @@
     $w_element->set_att("n",      $tags[1]);
     # $w_element->set_att("id",     "w_" . $namearray[4] . $sentence->att("xml:id") . "_" . $tags[1]);
     # so zusammengebaute ID ist auch nicht eindeutig...
-    $w_element->change_att_name('id', 'xml:id');
+    $w_element->del_att("id");
     $w_element->set_att("lemma",  $tags[2]);
     # $w_element->set_att("norm",   $tags[3]);  # tag abuse of @norm
     $w_element->set_att("pos",    $tags[4]);