diff --git a/dust3r/viz.py b/dust3r/viz.py
index 9150e8b..cb7f98a 100644
--- a/dust3r/viz.py
+++ b/dust3r/viz.py
@@ -171,6 +171,7 @@ def add_pointcloud(self, pts3d, color=(0,0,0), mask=None, denoise=False):
         return self
 
     def add_rgbd(self, image, depth, intrinsics=None, cam2world=None, zfar=np.inf, mask=None):
+        image = img_to_arr(image)
         # make up some intrinsics
         if intrinsics is None:
             H, W, THREE = image.shape