diff --git a/compose.yml b/compose.yml
index 006289b..5cf6c93 100644
--- a/compose.yml
+++ b/compose.yml
@@ -35,7 +35,6 @@ services:
       - FOODCOOP_STREET
       - FOODCOOP_TIME_ZONE
       - FOODCOOP_ZIP_CODE
-      - MAILER_PREFIX=foodsoft+
       - MYSQL_HOST=db
       - MYSQL_NAME=foodsoft
       - MYSQL_PORT=3306