1 files changed, 1 insertions, 1 deletions
diff --git a/backend/CSE3analysisproof.v b/backend/CSE3analysisproof.v
index d53cf604..382c9f4c 100644
--- a/backend/CSE3analysisproof.v
+++ b/backend/CSE3analysisproof.v
@@ -502,7 +502,7 @@ Section SOUNDNESS.
         end
       with
       | Some dat => v' = dat
-      | None => v' = default_notrap_load_value chunk
+      | None => v' = Vundef
       end
     end.