diff --git a/modules/wrapper/lazy/lazy.nix b/modules/wrapper/lazy/lazy.nix
index e16a8aa2..fc130afc 100644
--- a/modules/wrapper/lazy/lazy.nix
+++ b/modules/wrapper/lazy/lazy.nix
@@ -35,7 +35,7 @@
 
       mode = mkOption {
         description = "Modes to bind in";
-        type = listOf str;
+        type = either str (listOf str);
         default = ["n" "x" "s" "o"];
       };