diff --git a/modules/wsl-distro.nix b/modules/wsl-distro.nix
index 154b6d3c..f44c0969 100644
--- a/modules/wsl-distro.nix
+++ b/modules/wsl-distro.nix
@@ -42,6 +42,7 @@ in
             type = str;
             description = "The name the file should be created as in /bin";
             default = baseNameOf config.src;
+            defaultText = literalExpression "publicKey";
           };
           copy = mkOption {
             type = bool;