diff --git a/collects/meta/web/html/resource.rkt b/collects/meta/web/html/resource.rkt
index 3655fc3d0f..1e0cdf5b02 100644
--- a/collects/meta/web/html/resource.rkt
+++ b/collects/meta/web/html/resource.rkt
@@ -78,7 +78,7 @@
          ;; then make them relative
          `(,@(map (lambda (_) "..") c) ,@t ,file*)]
         ;; different roots => use the one for the target
-        [(make-rooted t)]
+        [(make-rooted tgtdir)]
         ;; otherwise throw an error
         [else (error 'relativize "target url is not in any known root: ~a"
                      (string-join `(,@tgtdir ,file*) "/"))])))