diff --git a/irr/src/CGLTFMeshFileLoader.cpp b/irr/src/CGLTFMeshFileLoader.cpp
index aee98b2e6..8ac96d4f4 100644
--- a/irr/src/CGLTFMeshFileLoader.cpp
+++ b/irr/src/CGLTFMeshFileLoader.cpp
@@ -320,6 +320,11 @@ IAnimatedMesh* SelfType::createMesh(io::IReadFile* file)
 	if (!model.has_value()) {
 		return nullptr;
 	}
+	if (model->extensionsRequired) {
+		os::Printer::log("glTF loader",
+				"model requires extensions, but we support none", ELL_ERROR);
+		return nullptr;
+	}
 
 	if (!(model->buffers.has_value()
 			&& model->bufferViews.has_value()
diff --git a/irr/src/CGLTFMeshFileLoader.h b/irr/src/CGLTFMeshFileLoader.h
index 39c3ea6dd..da306769e 100644
--- a/irr/src/CGLTFMeshFileLoader.h
+++ b/irr/src/CGLTFMeshFileLoader.h
@@ -98,7 +98,7 @@ private:
 	public:
 		MeshExtractor(tiniergltf::GlTF &&model,
 				CSkinnedMesh *mesh) noexcept
-			: m_gltf_model(model), m_irr_model(mesh) {};
+			: m_gltf_model(std::move(model)), m_irr_model(mesh) {};
 
 		/* Gets indices for the given mesh/primitive.
 		 *