diff --git a/rwx/ps/__init__.py b/rwx/ps/__init__.py
index 07ccce8..3ea9702 100644
--- a/rwx/ps/__init__.py
+++ b/rwx/ps/__init__.py
@@ -8,6 +8,11 @@ from rwx import txt
 class Command:
     """Command to run."""
 
+    def __init__(self, *arguments: str | tuple[str, ...]) -> None:
+        """Set raw & flat arguments."""
+        self.raw = arguments
+        self.flat: list[str] = []
+
 
 def get_tuples_args(*items: str | tuple[str, ...]) -> list[str]:
     """Turn arguments tuples into an arguments list."""