diff --git a/lib/index.js b/lib/index.js
index fbbd1ce..1bc83c3 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -163,7 +163,7 @@ function plugin(opts){
 
       render(str, clone, function(err, str){
         if (err) {
-          err.message = "Error rendering template `" + data.layout + "` for file `"
+          err.message = "Error rendering template `" + data[layoutKey] + "` for file `"
             + file + "`. " + err;
           return done(err);
         }