diff --git a/ring-devel/src/ring/middleware/stacktrace.clj b/ring-devel/src/ring/middleware/stacktrace.clj
index 6df10cfa..092b05ed 100644
--- a/ring-devel/src/ring/middleware/stacktrace.clj
+++ b/ring-devel/src/ring/middleware/stacktrace.clj
@@ -35,12 +35,12 @@
     (html5
       [:head
         [:title "Ring: Stacktrace"]
-        (include-css "__ring/css/stacktrace.css")]
+        (include-css "/__ring/css/stacktrace.css")]
       [:body
         [:div#exception
           [:h1 (h (.getName (:class ex)))]
           [:div.message (h (:message ex))]
-          [:div.trace       
+          [:div.trace
             [:table
               [:tbody (map elem-partial (:trace-elems ex))]]]]])))