diff --git a/lisp/ox.el b/lisp/ox.el
index ebf89bbc3..fd6428c32 100644
--- a/lisp/ox.el
+++ b/lisp/ox.el
@@ -3336,7 +3336,7 @@ not have `buffer-file-name' assigned."
                ;; inclusion lines too, as different parts of the same
                ;; file can be included too.
                ((member (list file (plist-get parameters :lines)) included)
-                (error "Recursive file inclusion: %s" f))
+                (error "Recursive file inclusion: %s" file))
                (t
                 (org-export--blindly-expand-include
                  parameters