diff --git a/lib.nix b/lib.nix
index 74ecf12..f2ae92e 100644
--- a/lib.nix
+++ b/lib.nix
@@ -22,8 +22,16 @@ let
 
   warn = msg: builtins.trace "[nix2lua] warning: ${msg}";
 
-  mkLuaRaw = raw: { _type = "raw"; inherit raw; };
   isLuaRaw = expr: getType expr == "raw";
+  mkLuaRaw = expr:
+    if isLuaRaw expr then
+      { _type = "raw"; raw = expr.raw; }
+    else if isString expr || isLuaRaw expr then
+      { _type = "raw"; raw = expr; }
+    else
+      error "Value '${toString expr}' is not supported for a raw type";
+
+  # mkCall = fnName: args: mkLuaRaw
 
   LuaNil = { _type = "nil"; };
   isLuaNil = expr: getType expr == "nil";
diff --git a/lib.test.nix b/lib.test.nix
index bc50a44..a4ccf2b 100644
--- a/lib.test.nix
+++ b/lib.test.nix
@@ -108,6 +108,10 @@ pkgs.lib.runTests {
     expr = toLua (mkLuaRaw "hello");
     expected = "hello";
   };
+  "test returns deep raw string" = {
+    expr = toLua (mkLuaRaw (mkLuaRaw (mkLuaRaw "hello")));
+    expected = "hello";
+  };
   "test returns path as string" = {
     expr = toLua /foo/bar;
     expected = "\"/foo/bar\"";