diff --git a/include/bolt/CST.hpp b/include/bolt/CST.hpp
index ef94e9179..f7de9c56c 100644
--- a/include/bolt/CST.hpp
+++ b/include/bolt/CST.hpp
@@ -2003,7 +2003,7 @@ namespace bolt {
 
   public:
 
-    TextFile& File;
+    TextFile File;
     InferContext* Ctx;
 
     std::vector<Node*> Elements;