diff --git a/crates/viewer/re_space_view_spatial/src/mesh_loader.rs b/crates/viewer/re_space_view_spatial/src/mesh_loader.rs
index f2d8e78358f1..5b4c3c594131 100644
--- a/crates/viewer/re_space_view_spatial/src/mesh_loader.rs
+++ b/crates/viewer/re_space_view_spatial/src/mesh_loader.rs
@@ -55,7 +55,9 @@ impl LoadedMesh {
         // Overwriting albedo_factor of CpuMesh if specified in the Asset3D
         if let Some(albedo_factor) = albedo_factor {
             for instance in &cpu_model.instances {
-                cpu_model.meshes[instance.mesh].materials[0].albedo_factor = albedo_factor.0.into();
+                for material in &mut cpu_model.meshes[instance.mesh].materials {
+                    material.albedo_factor = albedo_factor.0.into();
+                }
             }
         }