diff --git a/test/unit/connection/test-auth-switch-clear-insecure.js b/test/unit/connection/test-auth-switch-clear-insecure.js
index c054331bb..c30361902 100644
--- a/test/unit/connection/test-auth-switch-clear-insecure.js
+++ b/test/unit/connection/test-auth-switch-clear-insecure.js
@@ -26,7 +26,7 @@ server.on('connection', function(incomingConnection) {
   incomingConnection.on('clientAuthentication', function () {
     this.authSwitchRequest({
       authMethodName : 'mysql_clear_password',
-      authMethodData : Buffer.alloc(0)
+      authMethodData : Buffer.from('')
     });
   });
 
diff --git a/test/unit/connection/test-auth-switch-clear-secure.js b/test/unit/connection/test-auth-switch-clear-secure.js
index edb247a19..2b553feb0 100644
--- a/test/unit/connection/test-auth-switch-clear-secure.js
+++ b/test/unit/connection/test-auth-switch-clear-secure.js
@@ -32,7 +32,7 @@ server.on('connection', function(incomingConnection) {
   incomingConnection.on('clientAuthentication', function () {
     this.authSwitchRequest({
       authMethodName : 'mysql_clear_password',
-      authMethodData : Buffer.alloc(0)
+      authMethodData : Buffer.from('')
     });
   });