diff --git a/torch_crps/analytical/studentt.py b/torch_crps/analytical/studentt.py
index e8dba89..da8958b 100644
--- a/torch_crps/analytical/studentt.py
+++ b/torch_crps/analytical/studentt.py
@@ -30,8 +30,8 @@ def standardized_studentt_cdf_via_scipy(
             "Install `torch-crps` with the 'studentt' dependency group, e.g. `pip install torch-crps[studentt]`."
         ) from e
 
-    z_np = z.detach().cpu().numpy()
-    nu_np = nu.detach().cpu().numpy() if isinstance(nu, torch.Tensor) else nu
+    z_np = z.detach().float().cpu().numpy()  # float() handles bfloat16
+    nu_np = nu.detach().float().cpu().numpy() if isinstance(nu, torch.Tensor) else nu  # float() handles bfloat16
 
     cdf_z_np = scipy_student_t.cdf(x=z_np, df=nu_np)