diff --git a/pytorch3d/io/mtl_io.py b/pytorch3d/io/mtl_io.py
index 166f98a8e..443ca0ba1 100644
--- a/pytorch3d/io/mtl_io.py
+++ b/pytorch3d/io/mtl_io.py
@@ -299,6 +299,7 @@ def make_material_atlas(
 
     # bi-linearly interpolate the textures from the images
     # using the uv coordinates given by uv_pos.
+    uv_pos -= torch.floor(uv_pos)
     textures = _bilinear_interpolation_grid_sample(image, uv_pos)
 
     return textures