diff --git a/serket/nn/dropout.py b/serket/nn/dropout.py
index 2752b21..536eb31 100644
--- a/serket/nn/dropout.py
+++ b/serket/nn/dropout.py
@@ -49,6 +49,7 @@ def dropout_nd(
     )
 
 
+@sk.autoinit
 class GeneralDropout(sk.TreeClass):
     """Drop some elements of the input tensor.
 
@@ -58,11 +59,8 @@ class GeneralDropout(sk.TreeClass):
             dropout is applied to all axes.
     """
 
-    def __init__(
-        self, drop_rate: float, drop_axes: tuple[int, ...] | Literal["..."] = ...
-    ):
-        self.drop_rate = drop_rate
-        self.drop_axes = drop_axes
+    drop_rate: float = sk.field(default=0.5, callbacks=[Range(0, 1)])
+    drop_axes: tuple[int, ...] | Literal["..."] = ...
 
     def __call__(self, x, *, key: jr.KeyArray = jr.PRNGKey(0)):
         return dropout_nd(x, jax.lax.stop_gradient(self.drop_rate), key, self.drop_axes)