diff --git a/utils/testrunner/Reporter.js b/utils/testrunner/Reporter.js
index 986c05d3a7..f40b7b6ee8 100644
--- a/utils/testrunner/Reporter.js
+++ b/utils/testrunner/Reporter.js
@@ -15,7 +15,7 @@
  */
 
 const fs = require('fs');
-const colors = require('colors');
+const colors = require('colors/safe');
 const {MatchError} = require('./Matchers.js');
 
 class Reporter {