diff --git a/src/factories/GenericArrayFactory.cpp b/src/factories/GenericArrayFactory.cpp
index a8b502a..cdeeebf 100644
--- a/src/factories/GenericArrayFactory.cpp
+++ b/src/factories/GenericArrayFactory.cpp
@@ -271,6 +271,8 @@ ExportResult ArrayBinaryExporter::Export(std::ostream &write, std::shared_ptr<IP
     ArrayType arrayType = arrayTypeMap.at(type);
 
     WriteHeader(writer, LUS::ResourceType::Blob, 0);
+    
+    writer.Write(static_cast<uint32_t>(arrayType));
     writer.Write((uint32_t) array->mData.size());
 
     for (auto &datum : array->mData) {