diff --git a/lib/helpers.nix b/lib/helpers.nix
index 5bd83aea..3962c1e8 100644
--- a/lib/helpers.nix
+++ b/lib/helpers.nix
@@ -79,6 +79,8 @@ with lib; rec {
   mkCompositeOption = desc: options:
     mkNullOrOption (types.submodule {inherit options;}) desc;
 
+  mkNullOrStr = mkNullOrOption (with nixvimTypes; maybeRaw str);
+
   mkNullOrLua = desc:
     lib.mkOption {
       type = lib.types.nullOr nixvimTypes.strLua;