diff --git a/hardware-specific/onlykey.nix b/hardware-specific/onlykey.nix
index 194c64d..1a7d389 100644
--- a/hardware-specific/onlykey.nix
+++ b/hardware-specific/onlykey.nix
@@ -21,6 +21,7 @@
     onlykey-cli
   ];
 
+  security.pam.u2f.enable = true;
   hardware.onlykey.enable = true;
   programs.i3lock.u2fSupport = true;
 }