diff --git a/test/parallel/test-internal-errors.js b/test/parallel/test-internal-errors.js
index de5d6ed3b9bb8e..5d28dc411e6069 100644
--- a/test/parallel/test-internal-errors.js
+++ b/test/parallel/test-internal-errors.js
@@ -8,6 +8,10 @@ const {
 const assert = require('assert');
 const errors = require('internal/errors');
 
+// Turn off ANSI color formatting for this test file.
+const { inspect } = require('util');
+inspect.defaultOptions.colors = false;
+
 errors.E('TEST_ERROR_1', 'Error for testing purposes: %s',
          Error, TypeError, RangeError);
 errors.E('TEST_ERROR_2', (a, b) => `${a} ${b}`, Error);