diff --git a/data_processor.py b/data_processor.py
index efe314e7..c3df7d64 100644
--- a/data_processor.py
+++ b/data_processor.py
@@ -1464,25 +1464,21 @@ class DataProcessor:
         self.logger.info(f"FSM-Pitch-Generierung abgeschlossen. {processed_count} Zeilen bearbeitet.")
 
     def reclassify_all_branches(self, start_sheet_row=None, limit=None, batch_size=20):
-        """
-        Führt für alle relevanten Zeilen eine neue Brancheneinstufung (v2.0) in Batches durch.
-        """
-        self.logger.info(f"Starte Modus 'reclassify_branches' im Batch-Modus (Größe: {batch_size}). Bereich: {start_sheet_row or 'Start'}, Limit: {limit or 'Unbegrenzt'}")
-
-        if not self.sheet_handler.load_data():
-            return
-
-        all_data = self.sheet_handler.get_all_data_with_headers()
+        # ...
         header_rows = self.sheet_handler._header_rows
-        effective_start = start_sheet_row if start_sheet_row is not None else header_rows + 1
+        # Wichtig: Der Start MUSS nach den Header-Zeilen sein
+        effective_start = max(header_rows + 1, start_sheet_row or 0)
         
         tasks = []
+        # Wir starten die Schleife erst NACH den Header-Zeilen
         for i in range(effective_start - 1, len(all_data)):
             if limit is not None and len(tasks) >= limit:
                 break
+            
             row_data = all_data[i]
             company_name = self._get_cell_value_safe(row_data, "CRM Name").strip()
-            if company_name:
+            # Zusätzlicher Check, um sicherzustellen, dass wir keine Header-Texte verarbeiten
+            if company_name and "firmennamen" not in company_name.lower():
                 tasks.append({'row_num': i + 1, 'data': row_data})
         
         if not tasks: