diff --git a/cmd2/argparse_custom.py b/cmd2/argparse_custom.py
index 68249d85..2af230d1 100644
--- a/cmd2/argparse_custom.py
+++ b/cmd2/argparse_custom.py
@@ -1361,7 +1361,7 @@ def format_help(self) -> str:
         # determine help from format above
         return formatter.format_help() + '\n'
 
-    def _print_message(self, message: str, file: Optional[IO[str]] = None) -> None:
+    def _print_message(self, message: str, file: Optional[IO[str]] = None) -> None:  # type: ignore[override]
         # Override _print_message to use style_aware_write() since we use ANSI escape characters to support color
         if message:
             if file is None: