diff --git a/flake.nix b/flake.nix
index 526101a..14e66b5 100644
--- a/flake.nix
+++ b/flake.nix
@@ -98,7 +98,7 @@
               };
             };
           };
-          config = if config.services.smo-server.enable then {
+          config = lib.mkIf config.services.smo-server.enable {
             systemd.services.smo-server = with config.services.smo-server; {
               wantedBy = ["multi-user.target"];
               after = ["network.target"];
@@ -111,7 +111,7 @@
                 in ''${self.packages.${system}.default.outPath}/bin/smo-server -t ${tcpPort} -u ${udpPort}'';
               };
             };
-          } else {};
+          };
         };
     };
 }