diff --git a/dags/split_subkonto2.py b/dags/split_subkonto2.py
index d5e5503..949da90 100644
--- a/dags/split_subkonto2.py
+++ b/dags/split_subkonto2.py
@@ -236,7 +236,7 @@ def parse_contract_cell(cell_text):
     
     return pd.Series({
         "subkonto2": cell_text, 
-        "naimenovanie": title.lower(), 
+        "naimenovanie": if title == None title else title.lower(), 
         "nomer": number, 
         "date_bedin": date_norm, 
         "date_end": None