diff --git a/brancheneinstufung.py b/brancheneinstufung.py
index 935b1a14..4deee19c 100644
--- a/brancheneinstufung.py
+++ b/brancheneinstufung.py
@@ -158,7 +158,7 @@ def query_gpt(row, wiki_url):
 
 # === HAUPTLOGIK ===
 try:
-start_index = next((i for i, row in enumerate(sheet_values[1:], start=1) if len(row) > 13 and not row[13].strip()), 1)
+    start_index = next((i for i, row in enumerate(sheet_values[1:], start=1) if len(row) > 13 and not row[13].strip()), 1)
 except StopIteration:
     start_index = 1