diff --git a/tests/test_python/test_generate_FV3LAM_wflow.py b/tests/test_python/test_generate_FV3LAM_wflow.py
index ae1e174e1..53b8f7ccd 100644
--- a/tests/test_python/test_generate_FV3LAM_wflow.py
+++ b/tests/test_python/test_generate_FV3LAM_wflow.py
@@ -32,7 +32,7 @@ def run_workflow(USHdir, logfile):
             p.join()
             exit_code = p.exitcode
             if exit_code != 0:
-                with open(logfile, 'r') as fin:
+                with open(logfile, 'r', encoding='utf-8') as fin:
                     print(fin.read())
                 sys.exit(exit_code)