diff --git a/hosts/hypnos/configuration.nix b/hosts/hypnos/configuration.nix
index c980974..f8f1673 100644
--- a/hosts/hypnos/configuration.nix
+++ b/hosts/hypnos/configuration.nix
@@ -31,7 +31,7 @@
 
     fileSystems = {
       "/" = {
-        device = "/dev/disk/by-label/NIXOS_SD";
+        device = "/dev/disk/by-label/NIXOS-SD";
         fsType = "ext4";
         options = [ "noatime" ];
       };