diff --git a/lib/module.js b/lib/module.js
index a89f544e51f619..02f0ec700f150d 100644
--- a/lib/module.js
+++ b/lib/module.js
@@ -126,8 +126,8 @@ function tryExtensions(p, exts) {
 
 
 const noopDeprecateRequireDot = util.deprecate(function() {},
-  "warning: require('.') resolved outside the package directory. " +
-  "This functionality is deprecated and will be removed soon.");
+    'warning: require(\'.\') resolved outside the package directory. ' +
+    'This functionality is deprecated and will be removed soon.');
 
 
 Module._findPath = function(request, paths) {