diff --git a/prompt-engineering/app.py b/prompt-engineering/app.py
index 1405739ac9..afea1d635a 100644
--- a/prompt-engineering/app.py
+++ b/prompt-engineering/app.py
@@ -1,5 +1,7 @@
 import argparse
+import io
 import os
+import sys
 import tomllib
 from pathlib import Path
 
@@ -7,6 +9,9 @@
 
 __all__ = ["get_chat_completion"]
 
+# Force UTF-8 output to avoid encoding issues
+sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8")
+
 # Authenticate
 client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))