diff --git a/bottles/backend/wine/winecommand.py b/bottles/backend/wine/winecommand.py
index f4052772d65..d3d87fe47a9 100644
--- a/bottles/backend/wine/winecommand.py
+++ b/bottles/backend/wine/winecommand.py
@@ -92,7 +92,7 @@ def __init__(
         config: BottleConfig,
         command: str,
         terminal: bool = False,
-        arguments: str = False,
+        arguments: str = "",
         environment: dict = {},
         communicate: bool = False,
         cwd: Optional[str] = None,
@@ -467,7 +467,7 @@ def _get_runner_info(self) -> tuple[str, str]:
         if arch == "win64":
             runner = f"{runner}64"
 
-        runner = shlex.quote(runner)
+        runner = shlex.quote(runner)  # type: ignore
 
         return runner, runner_runtime