diff --git a/email_client.py b/email_client.py
index f68db5f..3bf5052 100644
--- a/email_client.py
+++ b/email_client.py
@@ -147,7 +147,7 @@ class Participation(object):
         if not os.path.exists(PARTICIPANTS_FOLDER):
             os.mkdir(PARTICIPANTS_FOLDER)
         if not filename:
-            filename = os.path.join(PARTICIPANTS_FOLDER, "".join(p.name.split())) + ".csv"
+            filename = os.path.join(PARTICIPANTS_FOLDER, "".join(self.name.split())) + ".csv"
         header = ["LastName", "FirstName", "eMail", "Phone", "Institute", "Street", "City",
                   "RegDate", "CareerStage", "Fee", "FarewellEvent", "GwinnerAward", "LabTour",
                   "FoodVegetarian", "FoodVegan", "FoodGlutenFree", "FoodNoPref"]