diff --git a/dovecot/templates/z-evolinux-defaults.conf.j2 b/dovecot/templates/z-evolinux-defaults.conf.j2
index 10fefcf2..b6d8d5e5 100644
--- a/dovecot/templates/z-evolinux-defaults.conf.j2
+++ b/dovecot/templates/z-evolinux-defaults.conf.j2
@@ -30,5 +30,7 @@ protocol lda {
 }
 
 # Optimisations
-login_max_processes_count = 256
+service login {
+    process_limit = 256
+}
 mail_max_userip_connections = 42