diff --git a/crates/editor/src/assets/thumbnails/disk_cache.rs b/crates/editor/src/assets/thumbnails/disk_cache.rs
index 0cf8212..c71cd38 100644
--- a/crates/editor/src/assets/thumbnails/disk_cache.rs
+++ b/crates/editor/src/assets/thumbnails/disk_cache.rs
@@ -633,8 +633,10 @@ mod tests {
         fs::create_dir_all(texture_path.parent().unwrap()).unwrap();
         fs::write(&material_path, b"material").unwrap();
         fs::write(&texture_path, b"first pixels").unwrap();
-        let mut material = shared::MaterialDesc::default();
-        material.base_color_texture = Some("assets/textures/albedo.png".into());
+        let material = shared::MaterialDesc {
+            base_color_texture: Some("assets/textures/albedo.png".into()),
+            ..Default::default()
+        };
         let source = ThumbnailJobSource::MaterialAsset {
             source_path: "assets/materials/test.material.ron".into(),
             label: "Test".into(),