diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d8a4cd9..b728d58 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,14 +18,20 @@ jobs:
         include:
           - os: windows-latest
             python-version: "3.13"
+            env: 
+              PYTHONUTF8: "1"
           - os: macos-latest
             python-version: "3.13"
           - os: windows-11-arm
             python-version: "3.13"
+            env: 
+              PYTHONUTF8: "1"
           - os: macos-15-intel
             python-version: "3.13"
           - os: windows-latest
             python-version: "3.14"
+            env: 
+              PYTHONUTF8: "1"
 
     steps:
       - name: Checkout code
diff --git a/Whatsapp_Chat_Exporter/__main__.py b/Whatsapp_Chat_Exporter/__main__.py
index 4aeb9da..b9d1616 100644
--- a/Whatsapp_Chat_Exporter/__main__.py
+++ b/Whatsapp_Chat_Exporter/__main__.py
@@ -767,6 +767,9 @@ def main():
 
     # Print banner if not suppressed
     if not args.no_banner:
+        # Note: This may raise UnicodeEncodeError on Windows if the terminal 
+        # doesn't support UTF-8 (e.g., Legacy CMD). Use a modern terminal 
+        # or set PYTHONUTF8=1 in your environment.
         print(WTSEXPORTER_BANNER)
 
     if args.debug: