diff --git a/data_processor.py b/data_processor.py
index b34f1475..ffa0aba7 100644
--- a/data_processor.py
+++ b/data_processor.py
@@ -782,7 +782,7 @@ class DataProcessor:
                     "FEHLER: Spaltenschluessel 'Version' nicht in COLUMN_MAP gefunden.")
 
         if force_reeval and clear_x_flag:
-            reeval_col_idx = COLUMN_MAP.get("ReEval Flag")
+            reeval_col_idx = get_col_idx("ReEval Flag") # KORRIGIERT
             if reeval_col_idx is not None:
                 flag_col_letter = self.sheet_handler._get_col_letter(
                     reeval_col_idx + 1)