diff --git a/test/interop/interop_server.js b/test/interop/interop_server.js
index 31ea842c..a924f20b 100644
--- a/test/interop/interop_server.js
+++ b/test/interop/interop_server.js
@@ -39,10 +39,10 @@ var ECHO_TRAILING_KEY = 'x-grpc-test-echo-trailing-bin';
 /**
  * Create a buffer filled with size zeroes
  * @param {number} size The length of the buffer
- * @return {Buffer} The Buffer.from
+ * @return {Buffer} The New Buffer
  */
 function zeroBuffer(size) {
-  var zeros = Buffer.from(size);
+  var zeros = Buffer.alloc(size);
   zeros.fill(0);
   return zeros;
 }