diff --git a/scripts/common.py b/scripts/common.py
index d530afdb720..7b7936a8add 100644
--- a/scripts/common.py
+++ b/scripts/common.py
@@ -30,6 +30,8 @@ import subprocess
 import sys
 
 encoding = locale.getdefaultlocale()[1]
+if not encoding:
+    encoding = 'UTF-8'
 
 def is_windows_platform():
     return sys.platform.startswith('win')