diff --git a/test/parallel/test-icu-transcode.js b/test/parallel/test-icu-transcode.js
index 07a7f07324ba5c..0b44c7795e5b15 100644
--- a/test/parallel/test-icu-transcode.js
+++ b/test/parallel/test-icu-transcode.js
@@ -7,15 +7,15 @@ if (!common.hasIntl)
 
 const buffer = require('buffer');
 const assert = require('assert');
-const orig = Buffer.from('tést €', 'utf8');
+const orig = Buffer.from('těst ☕', 'utf8');
 
 // Test Transcoding
 const tests = {
-  'latin1': [0x74, 0xe9, 0x73, 0x74, 0x20, 0x3f],
+  'latin1': [0x74, 0x3f, 0x73, 0x74, 0x20, 0x3f],
   'ascii': [0x74, 0x3f, 0x73, 0x74, 0x20, 0x3f],
-  'ucs2': [0x74, 0x00, 0xe9, 0x00, 0x73,
+  'ucs2': [0x74, 0x00, 0x1b, 0x01, 0x73,
            0x00, 0x74, 0x00, 0x20, 0x00,
-           0xac, 0x20]
+           0x15, 0x26]
 };
 
 for (const test in tests) {