diff --git a/src/garage/torch/distributions/tanh_normal.py b/src/garage/torch/distributions/tanh_normal.py
index 6d1ca10d34..51a835031c 100644
--- a/src/garage/torch/distributions/tanh_normal.py
+++ b/src/garage/torch/distributions/tanh_normal.py
@@ -19,7 +19,7 @@ class TanhNormal(torch.distributions.Distribution):
     """ # noqa: 501
 
     def __init__(self, loc, scale):
-        self._normal = Independent(Normal(loc, scale), 1)
+        self._normal = Independent(Normal(loc, scale), 1, validate_args=False)
         super().__init__()
 
     def log_prob(self, value, pre_tanh_value=None, epsilon=1e-6):