diff --git a/stud/pers_daten_Vertiefungsbereich.php b/stud/pers_daten_Vertiefungsbereich.php
index a7a7f5b..a197354 100755
--- a/stud/pers_daten_Vertiefungsbereich.php
+++ b/stud/pers_daten_Vertiefungsbereich.php
@@ -223,27 +223,27 @@ $lv_plz = 'false';
 $lv_ort = 'false';
 $lv_ag = 'false';
 
-if ($row2[vorname] != $_POST[Vorname]){
+if ($row2['vorname'] != $_POST['Vorname']){
   $lv_vorname = 'true';
 }
 
-if ($row2[nachname] != $_POST[Nachname]){
+if ($row2['nachname'] != $_POST['Nachname']){
   $lv_nachname = 'true';
 }
 
-if ($row2[postrasse] != $_POST[strasse]){
+if ($row2['postrasse'] != $_POST['strasse']){
   $lv_strasse = 'true';
 }
 
-if ($row2[poplz] != $_POST[plz]){
+if ($row2['poplz'] != $_POST['plz']){
   $lv_plz = 'true';
 }
 
-if ($row2[poort] != $_POST[ort]){
+if ($row2['poort'] != $_POST['ort']){
   $lv_ort = 'true';
 }
 
-if ($row2[ag] != $_POST[AG]){
+if ($row2['ag'] != $_POST['AG']){
   $lv_ag = 'true';
 }
 
@@ -476,4 +476,4 @@ echo "
 </body>
 </html>";
 } // Ende Action
-?>
\ No newline at end of file
+?>