diff --git a/lib/util.js b/lib/util.js
index 3335faf3d8c51e..9a68ea0068cbf3 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -575,13 +575,9 @@ function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
       }
       if (str.indexOf('\n') > -1) {
         if (array) {
-          str = str.split('\n').map(function(line) {
-            return '  ' + line;
-          }).join('\n').substr(2);
+          str = str.replace(/\n/g, '\n  ');
         } else {
-          str = '\n' + str.split('\n').map(function(line) {
-            return '   ' + line;
-          }).join('\n');
+          str = str.replace(/(^|\n)/g, '\n   ');
         }
       }
     } else {