diff --git a/homeassistant/scripts/macos/__init__.py b/homeassistant/scripts/macos/__init__.py
index f629492ec39..0bf88da81dc 100644
--- a/homeassistant/scripts/macos/__init__.py
+++ b/homeassistant/scripts/macos/__init__.py
@@ -44,7 +44,7 @@ def uninstall_osx():
     print("Home Assistant has been uninstalled.")
 
 
-def run(args):
+def run(args: list[str]) -> int:
     """Handle OSX commandline script."""
     commands = "install", "uninstall", "restart"
     if not args or args[0] not in commands:
@@ -63,3 +63,5 @@ def run(args):
         time.sleep(0.5)
         install_osx()
         return 0
+
+    raise ValueError(f"Invalid command {args[0]}")