diff --git a/nixos/modules/system/boot/systemd.nix b/nixos/modules/system/boot/systemd.nix
index a1412bc32904..8bf5f1d4303d 100644
--- a/nixos/modules/system/boot/systemd.nix
+++ b/nixos/modules/system/boot/systemd.nix
@@ -387,7 +387,7 @@ let
 
   logindHandlerType = types.enum [
     "ignore" "poweroff" "reboot" "halt" "kexec" "suspend"
-    "hibernate" "hybrid-sleep" "lock"
+    "hibernate" "hybrid-sleep" "suspend-then-hibernate" "lock"
   ];
 
 in