diff --git a/nixos/modules/services/databases/victoriametrics.nix b/nixos/modules/services/databases/victoriametrics.nix
index cb6bf8508fb6..0af5d2adf372 100644
--- a/nixos/modules/services/databases/victoriametrics.nix
+++ b/nixos/modules/services/databases/victoriametrics.nix
@@ -49,8 +49,8 @@ let cfg = config.services.victoriametrics; in
         ExecStart = ''
           ${cfg.package}/bin/victoria-metrics \
               -storageDataPath=/var/lib/victoriametrics \
-              -httpListenAddr ${cfg.listenAddress}
-              -retentionPeriod ${toString cfg.retentionPeriod}
+              -httpListenAddr ${cfg.listenAddress} \
+              -retentionPeriod ${toString cfg.retentionPeriod} \
               ${lib.escapeShellArgs cfg.extraOptions}
         '';
       };