diff --git a/data/cosin.toml b/data/cosin.toml
index 3ccb8bf..8c0ef5a 100644
--- a/data/cosin.toml
+++ b/data/cosin.toml
@@ -38,7 +38,7 @@ flyer_path = "flyer_cosin2020.pdf"
 cfp_running = false
 cfp_url = "https://pretalx.cosin.ch/cosin2023/cfp"
 
-cfp_end_date_weekday = "Freitag"
+cfp_end_date_weekday = "Mittwoch"
 cfp_end_date_day = 31
 cfp_end_date_month = "Mai"