diff --git a/pytrace-generator/main.py b/pytrace-generator/main.py
index ec0bd75d..13618915 100644
--- a/pytrace-generator/main.py
+++ b/pytrace-generator/main.py
@@ -428,7 +428,7 @@ def run_script(self, filename, script_str):
     exit(1)
 
 filename = os.path.abspath(sys.argv[1])
-with open(filename, "r") as f:
+with open(filename, "r", encoding="utf-8") as f:
     script_str = f.read()
 
 # Add a 'pass' at the end to also get the last trace step