diff --git a/src/node.cc b/src/node.cc
index beeebe6923a18e..f2656e8a53635d 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -4372,7 +4372,7 @@ void Init(int* argc,
   if (!i18n::InitializeICUDirectory(icu_data_dir)) {
     fprintf(stderr,
             "%s: could not initialize ICU "
-            "(check NODE_ICU_DATA or --icu-data-dir parameters)",
+            "(check NODE_ICU_DATA or --icu-data-dir parameters)\n",
             argv[0]);
     exit(9);
   }
diff --git a/test/parallel/test-icu-data-dir.js b/test/parallel/test-icu-data-dir.js
index 3882acb92c767c..f8a5e77dbd9660 100644
--- a/test/parallel/test-icu-data-dir.js
+++ b/test/parallel/test-icu-data-dir.js
@@ -9,7 +9,7 @@ const { spawnSync } = require('child_process');
 
 const expected =
     'could not initialize ICU ' +
-    '(check NODE_ICU_DATA or --icu-data-dir parameters)';
+    '(check NODE_ICU_DATA or --icu-data-dir parameters)\n';
 
 {
   const child = spawnSync(process.execPath, ['--icu-data-dir=/', '-e', '0']);