diff --git a/lenovo/thinkpad/x260/default.nix b/lenovo/thinkpad/x260/default.nix
index d64a530..1172ab1 100644
--- a/lenovo/thinkpad/x260/default.nix
+++ b/lenovo/thinkpad/x260/default.nix
@@ -6,7 +6,7 @@
   ];
 
   # https://wiki.archlinux.org/index.php/TLP#Btrfs
-  services.tlp.extraConfig = ''
-    SATA_LINKPWR_ON_BAT=med_power_with_dipm
-  '';
+  services.tlp.settings = {
+    SATA_LINKPWR_ON_BAT = "med_power_with_dipm";
+  };
 }