diff --git a/brancheneinstufung.py b/brancheneinstufung.py
index c23778a0..995c1c67 100644
--- a/brancheneinstufung.py
+++ b/brancheneinstufung.py
@@ -636,13 +636,13 @@ if __name__ == "__main__":
         processor.process_rows()
     elif MODE == "4":
         gh = GoogleSheetHandler()
-        start_index = gh.get_start_index(38)  # Wiki-Timestamp: Spalte AN (Index 38)
+        start_index = gh.get_start_index(column_index=39)  # Wiki-Timestamp (Spalte AN)
         debug_print(f"Wiki-Modus: Starte bei Zeile {start_index+1}")
         processor = DataProcessor()
         processor.process_rows()
     elif MODE == "5":
         gh = GoogleSheetHandler()
-        start_index = gh.get_start_index(39)  # ChatGPT-Timestamp: Spalte AO (Index 39)
+        start_index = gh.get_start_index(column_index=40)  # ChatGPT-Timestamp (Spalte AO)
         debug_print(f"ChatGPT-Modus: Starte bei Zeile {start_index+1}")
         processor = DataProcessor()
         processor.process_rows()
@@ -675,8 +675,5 @@ if __name__ == "__main__":
             main_sheet.update(values=[[str(token_count)]], range_name=f"AQ{row_num}")
         debug_print(f"Batch-Token-Zählung abgeschlossen. Token: {token_count}")
     elif MODE == "51":
-        gh = GoogleSheetHandler()
-        start_index = gh.get_start_index(column_index=40)  # Spalte AO prüfen
-        debug_print(f"Verifizierungsmodus: Starte bei Zeile {start_index+1}")
         process_verification_only()
     print(f"\n✅ Auswertung abgeschlossen ({Config.VERSION})")