diff --git a/hosts/phone/hardware-configuration.nix b/hosts/phone/hardware-configuration.nix
index 0800196..e3217d4 100644
--- a/hosts/phone/hardware-configuration.nix
+++ b/hosts/phone/hardware-configuration.nix
@@ -15,5 +15,9 @@
     };
   };
 
+  boot.kernelParams = lib.mkAfter [
+    "psi=1"
+  ];
+
   nix.settings.max-jobs = lib.mkDefault 2;
 }