diff --git a/src/opnsense/site-python/log_helper.py b/src/opnsense/site-python/log_helper.py
index cc4a674f7..644c99c03 100644
--- a/src/opnsense/site-python/log_helper.py
+++ b/src/opnsense/site-python/log_helper.py
@@ -38,7 +38,7 @@ def reverse_log_reader(filename, block_size=81920, start_pos=None):
     :return: generator
     """
     if hasattr(filename, 'read') is False:
-        input_stream = open(filename, 'rU')
+        input_stream = open(filename, 'r', errors='replace')
     else:
         input_stream = filename