diff --git a/options.nix b/options.nix
index 80595b4..56698f1 100644
--- a/options.nix
+++ b/options.nix
@@ -84,15 +84,17 @@
                     };
                     owner = lib.mkOption {
                       description = "The user name or id that will own the file.";
+                      type = lib.types.str;
                       default = "root";
                     };
                     group = lib.mkOption {
                       description = "The group name or id that will own the file.";
+                      type = lib.types.str;
                       default = "root";
                     };
                     mode = lib.mkOption {
-                      type = lib.types.strMatching "^[0-7]{4}$";
                       description = "The unix file mode of the file. Must be a 4-digit octal number.";
+                      type = lib.types.strMatching "^[0-7]{4}$";
                       default = if file.config.group == "root" then "0400" else "0440";
                     };
                     deploy = lib.mkOption {