diff --git a/modoboa_installer/scripts/dovecot.py b/modoboa_installer/scripts/dovecot.py
index abfd3fa..99b544e 100644
--- a/modoboa_installer/scripts/dovecot.py
+++ b/modoboa_installer/scripts/dovecot.py
@@ -20,7 +20,7 @@ class Dovecot(base.Installer):
     ]
     config_files = [
         "dovecot.conf", "dovecot-dict-sql.conf.ext", "conf.d/10-ssl.conf",
-        "20-lmtp.conf"]
+        "conf.d/20-lmtp.conf"]
     with_user = True
 
     def get_config_files(self):