diff --git a/gptme/commands.py b/gptme/commands.py
index bd55f8c5..6ec07473 100644
--- a/gptme/commands.py
+++ b/gptme/commands.py
@@ -173,6 +173,7 @@ def handle_cmd(
                     manager.write()
                     help()
                 else:
+                    manager.undo(1, quiet=True)
                     print("Unknown command")