diff --git a/mathicsscript/__init__.py b/mathicsscript/__init__.py
index 8ef8435..494e106 100644
--- a/mathicsscript/__init__.py
+++ b/mathicsscript/__init__.py
@@ -2,7 +2,7 @@
 """
 mathicsscript is a command-line interface to Mathics.
 
-Copyright 2020-2021, 2024 The Mathics3 Team
+Copyright 2020-2021, 2024-2025 The Mathics3 Team
 """
 
 import os.path as osp
diff --git a/mathicsscript/__main__.py b/mathicsscript/__main__.py
index d06cf79..b1d3d3a 100755
--- a/mathicsscript/__main__.py
+++ b/mathicsscript/__main__.py
@@ -289,7 +289,7 @@ def fmt_fun(query: Any) -> Any:
     help="Accept Unicode operators in input and show unicode in output.",
 )
 @click.option(
-    "--post-mortem/--no-unicode",
+    "--post-mortem/--no-post-mortem",
     show_default=True,
     help="go to post-mortem debug on a terminating system exception (needs trepan3k)",
 )