diff --git a/home/wm/default.nix b/home/wm/default.nix
index b4cece9..f4f0ad2 100644
--- a/home/wm/default.nix
+++ b/home/wm/default.nix
@@ -47,10 +47,19 @@ in
         description = "Locker command to run";
       };
 
-      cornerLock = my.mkDisableOption ''
-        Move mouse to upper-left corner to lock instantly, lower-right corner to
-        disable auto-lock.
-      '';
+      cornerLock = {
+        enable = my.mkDisableOption ''
+          Move mouse to upper-left corner to lock instantly, lower-right corner to
+          disable auto-lock.
+        '';
+
+        delay = mkOption {
+          type = types.int;
+          default = 5;
+          example = 15;
+          description = "How many seconds before locking this way";
+        };
+      };
 
       notify = my.mkDisableOption "Notify when about to lock the screen";
 
diff --git a/home/wm/screen-lock.nix b/home/wm/screen-lock.nix
index e6eee22..1632be7 100644
--- a/home/wm/screen-lock.nix
+++ b/home/wm/screen-lock.nix
@@ -11,12 +11,12 @@ in
 
       lockCmd = cfg.command;
 
-      xautolockExtraOptions = lib.optionals cfg.cornerLock [
+      xautolockExtraOptions = lib.optionals cfg.cornerLock.enable [
         # Mouse corners: instant lock on upper-left, never lock on lower-right
         "-cornerdelay"
-        "5"
+        "${toString cfg.cornerLock.delay}"
         "-cornerredelay"
-        "5"
+        "${toString cfg.cornerLock.delay}"
         "-corners"
         "+00-"
       ] ++ lib.optionals cfg.notify [