diff --git a/src/cmd.py b/src/cmd.py
index 4d69424..c955840 100644
--- a/src/cmd.py
+++ b/src/cmd.py
@@ -78,7 +78,7 @@ class NewInteractiveShell:
         cmds = cmd.split(" ")
         try:
             args = self.parser.parse_args(cmds)
-        except argparse.ArgumentError:
+        except (argparse.ArgumentError, argparse.ArgumentTypeError, SystemExit):
             logger.warning(f"Unknown command: {cmd}")
             return
         match cmds[0]: