diff --git a/test/mongoBench/runner.js b/test/mongoBench/runner.js
index f1eb66dc59..4e3200fe54 100644
--- a/test/mongoBench/runner.js
+++ b/test/mongoBench/runner.js
@@ -68,6 +68,7 @@ const Suite = require('./suite');
 
 class Runner {
   constructor(options) {
+    options = options || {};
     this.minExecutionTime = options.minExecutionTime || CONSTANTS.DEFAULT_MIN_EXECUTION_TIME;
     this.maxExecutionTime = options.maxExecutionTime || CONSTANTS.DEFAULT_MAX_EXECUTION_TIME;
     this.minExecutionCount = options.minExecutionCount || CONSTANTS.DEFAULT_MIN_EXECUTION_COUNT;