diff --git a/devices/pc/default.nix b/devices/pc/default.nix
index 1c5831f5..fa4edb6f 100644
--- a/devices/pc/default.nix
+++ b/devices/pc/default.nix
@@ -21,7 +21,7 @@ inputs:
           luks.auto =
           {
             "/dev/disk/by-partlabel/pc-root1" = { mapper = "root1"; ssd = true; };
-            "/dev/disk/by-partlabel/pc-tf1" = { mapper = "tf1"; ssd = true; };
+            "/dev/disk/by-partlabel/pc-tf1".mapper = "tf1";
           };
           swap = [ "/nix/swap/swap" ];
           resume = { device = "/dev/mapper/root1"; offset = 131605760; };