diff --git a/tvix/eval/src/builtins/mod.rs b/tvix/eval/src/builtins/mod.rs
index 0e0890f7c..a2136ee6a 100644
--- a/tvix/eval/src/builtins/mod.rs
+++ b/tvix/eval/src/builtins/mod.rs
@@ -1583,7 +1583,7 @@ mod placeholder_builtins {
         let res = [
             ("line", 42.into()),
             ("col", 42.into()),
-            ("file", Value::Path(Box::new("/deep/thought".into()))),
+            ("file", Value::String("/deep/thought".into())),
         ];
         Ok(Value::attrs(NixAttrs::from_iter(res.into_iter())))
     }