diff --git a/nerfactory/models/modules/ray_sampler.py b/nerfactory/models/modules/ray_sampler.py
index 29a717e4b..603f2e57c 100644
--- a/nerfactory/models/modules/ray_sampler.py
+++ b/nerfactory/models/modules/ray_sampler.py
@@ -349,7 +349,8 @@ class PDFSampler(Sampler):
             u = u + torch.rand(size=(*cdf.shape[:-1], num_bins), device=cdf.device) / num_bins
         else:
             # Uniform samples between 0 and 1
-            u = torch.linspace(0.0, 1.0, steps=num_bins, device=cdf.device)
+            u = torch.linspace(0.0, 1.0 - (1.0 / num_bins), steps=num_bins, device=cdf.device)
+            u = u + 1.0 / (2 * num_bins)
             u = u.expand(size=(*cdf.shape[:-1], num_bins))
         u = u.contiguous()