1 files changed, 1 insertions, 1 deletions
diff --git a/lib/stateid.mli b/lib/stateid.mli
index 1d87a343b..d9e75f584 100644
--- a/lib/stateid.mli
+++ b/lib/stateid.mli
@@ -34,7 +34,7 @@ type ('a,'b) request = {
   exn_info : t * t;
   stop : t;
   document : 'b;
-  loc : Loc.t;
+  loc : Loc.t option;
   uuid     : 'a;
   name     : string
 }