diff --git a/CesiumGltf/include/CesiumGltf/ImageAsset.h b/CesiumGltf/include/CesiumGltf/ImageAsset.h
index 864680af8..b900fcc6f 100644
--- a/CesiumGltf/include/CesiumGltf/ImageAsset.h
+++ b/CesiumGltf/include/CesiumGltf/ImageAsset.h
@@ -113,6 +113,11 @@ struct CESIUMGLTF_API ImageAsset final
    */
   int64_t sizeBytes = -1;
 
+  /**
+   * @brief Constructs an empty image asset.
+   */
+  ImageAsset() = default;
+
   /**
    * @brief Gets the size of this asset, in bytes.
    *