diff --git a/irr/src/CGLTFMeshFileLoader.cpp b/irr/src/CGLTFMeshFileLoader.cpp
index c6c498b23..2f35f3bf9 100644
--- a/irr/src/CGLTFMeshFileLoader.cpp
+++ b/irr/src/CGLTFMeshFileLoader.cpp
@@ -729,7 +729,8 @@ std::optional<tiniergltf::GlTF> CGLTFMeshFileLoader::tryParseGLTF(io::IReadFile*
 {
 	auto size = file->getSize();
 	auto buf = std::make_unique<char[]>(size + 1);
-	file->read(buf.get(), size);
+	if (file->read(buf.get(), size) < size)
+		return std::nullopt;
 	// We probably don't need this, but add it just to be sure.
 	buf[size] = '\0';
 	Json::CharReaderBuilder builder;