diff --git a/lib/cartodb/middleware/error-middleware.js b/lib/cartodb/middleware/error-middleware.js
index 37807d0c..aac05eb4 100644
--- a/lib/cartodb/middleware/error-middleware.js
+++ b/lib/cartodb/middleware/error-middleware.js
@@ -163,18 +163,19 @@ function errorMessageWithContext(err) {
 }
 
 function logErrors(errors, statusCode, res) {
-    const errorsCopy = Object.assign({}, errors);
-
+    const errorsCopy = errors.slice(0);
+    
     if(!errorsCopy || !errorsCopy.length) {
         return;
     }
-
+    
     const mainError = errorsCopy.shift();
 
     const errorsLog = {
         statusCode: statusCode || 200,
         message:    mainError.message,
         name:       mainError.name,
+        label:      mainError.label,
         type:       mainError.type,
         subtype:    mainError.subtype
     };
@@ -183,10 +184,11 @@ function logErrors(errors, statusCode, res) {
         return {
             message: error.message,
             name:    error.name,
+            label:   error.label,
             type:    error.type,
             subtype: error.subtype
         };
     });
-
+    
     res.set('X-Tiler-Errors', JSON.stringify(errorsLog));
 }