diff --git a/test/parallel/test-internal-errors.js b/test/parallel/test-internal-errors.js
index 7d5dcce0d40c6a..bf4688d89bd0ca 100644
--- a/test/parallel/test-internal-errors.js
+++ b/test/parallel/test-internal-errors.js
@@ -10,6 +10,10 @@ const { internalBinding } = require('internal/test/binding');
 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);