diff --git a/postfix/osfamilymap.yaml b/postfix/osfamilymap.yaml
index c5e79a3..55d0641 100644
--- a/postfix/osfamilymap.yaml
+++ b/postfix/osfamilymap.yaml
@@ -20,6 +20,7 @@ Gentoo:
   postsrsd_pkg: mail-filter/postsrsd
   postgrey_pkg: mail-filter/postgrey
   aliases_file: /etc/mail/aliases
+  dovecot_deliver: /usr/libexec/dovecot/deliver
 
 RedHat:
   policyd_spf_pkg: pypolicyd-spf