diff --git a/__init__.py b/__init__.py
index 77eddb1..551b6d4 100644
--- a/__init__.py
+++ b/__init__.py
@@ -54,8 +54,8 @@ class CADS:
         t1,
         t2,
         rescale=0.0,
-        start_step=-1,
-        total_steps=-1,
+        start_step=0,
+        total_steps=0,
         apply_to="both",
         key="y",
         noise_type="normal",