diff --git a/nixos/modules/services/mail/dspam.nix b/nixos/modules/services/mail/dspam.nix
index f18fd489f23d..2d8aebe20575 100644
--- a/nixos/modules/services/mail/dspam.nix
+++ b/nixos/modules/services/mail/dspam.nix
@@ -139,7 +139,7 @@ in {
         restartTriggers = [ cfgfile ];
 
         serviceConfig = {
-          ExecStart = "${dspam}/bin/dspam_maintenance";
+          ExecStart = "${dspam}/bin/dspam_maintenance --verbose";
           Type = "oneshot";
           User = cfg.user;
           Group = cfg.group;