diff --git a/CMakeLists.txt b/CMakeLists.txt
index 68b7e903..ead1e6a9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.6)
+cmake_minimum_required(VERSION 3.6...4.0.0)
 
 project(tinygltf)
 
diff --git a/tiny_gltf.h b/tiny_gltf.h
index 777fdef8..96753e40 100644
--- a/tiny_gltf.h
+++ b/tiny_gltf.h
@@ -9228,9 +9228,9 @@ static void SerializeGltfModel(const Model *model, detail::json &o) {
     detail::json externalAssets;
     detail::JsonReserveArray(externalAssets, model->externalAssets.size());
     for (unsigned int i = 0; i < model->externalAssets.size(); ++i) {
-      detail::json asset;
-      SerializeGltfExternalAsset(model->externalAssets[i], asset);
-      detail::JsonPushBack(externalAssets, std::move(asset));
+      detail::json externalAsset;
+      SerializeGltfExternalAsset(model->externalAssets[i], externalAsset);
+      detail::JsonPushBack(externalAssets, std::move(externalAsset));
     }
     detail::JsonAddMember(o, "externalAssets", std::move(externalAssets));
   }