diff --git a/pygrinder/missing_at_random/mar_logistic.py b/pygrinder/missing_at_random/mar_logistic.py
index 3979d99..199047b 100644
--- a/pygrinder/missing_at_random/mar_logistic.py
+++ b/pygrinder/missing_at_random/mar_logistic.py
@@ -122,7 +122,7 @@ def mar_logistic(
         X = np.asarray(X)
 
     if isinstance(X, np.ndarray) or isinstance(X, torch.Tensor):
-        corrupted_X = _mar_logistic_torch(X, missing_rate, obs_rate)
+        corrupted_X = _mar_logistic_torch(X, obs_rate, missing_rate)
     else:
         raise TypeError(
             f"X must be type of list/numpy.ndarray/torch.Tensor, but got {type(X)}"