diff --git a/nixos/modules/system/boot/systemd.nix b/nixos/modules/system/boot/systemd.nix
index 7c6807340fd3..a21280414342 100644
--- a/nixos/modules/system/boot/systemd.nix
+++ b/nixos/modules/system/boot/systemd.nix
@@ -518,7 +518,7 @@ in
 
     services.logind.extraConfig = mkOption {
       default = "";
-      type = types.str;
+      type = types.lines;
       example = "HandleLidSwitch=ignore";
       description = ''
         Extra config options for systemd-logind. See man logind.conf for