diff --git a/lib/buffer.js b/lib/buffer.js
index f755d951b8264d..d37942df4861b0 100644
--- a/lib/buffer.js
+++ b/lib/buffer.js
@@ -827,11 +827,11 @@ Buffer.prototype.readDoubleBE = function(offset, noAssert) {
 
 function checkInt(buffer, value, offset, ext, max, min) {
   if ((value % 1) !== 0 || value > max || value < min)
-    throw TypeError("value is out of bounds");
+    throw TypeError('value is out of bounds');
   if ((offset % 1) !== 0 || offset < 0)
-    throw TypeError("offset is not uint");
+    throw TypeError('offset is not uint');
   if (offset + ext > buffer.length || buffer.length + offset < 0)
-    throw RangeError("Trying to write outside buffer length");
+    throw RangeError('Trying to write outside buffer length');
 }