diff --git a/nixos/modules/services/hardware/thermald.nix b/nixos/modules/services/hardware/thermald.nix
index 241490c5aae7..6be255cebf1d 100644
--- a/nixos/modules/services/hardware/thermald.nix
+++ b/nixos/modules/services/hardware/thermald.nix
@@ -39,7 +39,7 @@ in {
             --no-daemon \
             ${optionalString cfg.debug "--loglevel=debug"} \
             ${optionalString (cfg.configFile != null) "--config-file ${cfg.configFile}"} \
-            --dbus-enable
+            --dbus-enable \
             --adaptive
         '';
       };