diff --git a/nixos/modules/services/databases/pgbouncer.nix b/nixos/modules/services/databases/pgbouncer.nix
index 378cbc3f81bb..7aedd0b62085 100644
--- a/nixos/modules/services/databases/pgbouncer.nix
+++ b/nixos/modules/services/databases/pgbouncer.nix
@@ -420,7 +420,7 @@ in
         User = cfg.user;
         Group = cfg.group;
         ExecStart = utils.escapeSystemdExecArgs [
-          (lib.getExe pkgs.pgbouncer)
+          (lib.getExe cfg.package)
           "/etc/${configPath}"
         ];
         RuntimeDirectory = "pgbouncer";