diff --git a/pyansi/__init__.py b/pyansi/__init__.py
index 4dcf924..c5662cb 100644
--- a/pyansi/__init__.py
+++ b/pyansi/__init__.py
@@ -191,7 +191,7 @@ class ANSI:
     mode: Mode
     wrap: bool
 
-    def __init__(self: Self, mode: Mode, wrap: bool = False) -> None:
+    def __init__(self: Self, mode: Mode = Mode.C0, wrap: bool = False) -> None:
         self.mode = mode
         self.wrap = wrap