diff --git a/modules/services/mail/dovecot2.nix b/modules/services/mail/dovecot2.nix
index 2054b80d0b14..c1f21ba457f1 100644
--- a/modules/services/mail/dovecot2.nix
+++ b/modules/services/mail/dovecot2.nix
@@ -14,9 +14,9 @@ let
     ''
     + (if cfg.sslServerCert!="" then
     ''
-      ssl_cert_file = ${cfg.sslServerCert}
-      ssl_key_file = ${cfg.sslServerKey}
-      ssl_ca_file = ${cfg.sslCACert}
+      ssl_cert = <${cfg.sslServerCert}
+      ssl_key = <${cfg.sslServerKey}
+      ssl_ca = <${cfg.sslCACert}
       disable_plaintext_auth = yes
     '' else ''
       ssl = no