diff --git a/server/conf/sieve_filter.master b/server/conf/sieve_filter.master
index e161a9f4999bf97b404ba42ada39d83c6b72559d..8e78c6c83aa87fdeb53f03a42d771aacd0c0b5e5 100644
--- a/server/conf/sieve_filter.master
+++ b/server/conf/sieve_filter.master
@@ -32,7 +32,7 @@ if header :contains "X-Spam-Flag" "YES" {
   stop;
 }
 vacation  :days 1
-  :subject "Out of office reply"
+  :subject "<tmpl_var name='autoresponder_subject'>"
   # :addresses ["test@test.int", "till@test.int"]
   <tmpl_var name='addresses'>
   "<tmpl_var name='autoresponder_text'>";