diff --git a/lib/riemann/dash/views/css.scss b/lib/riemann/dash/views/css.scss
index 8c2e67f..e945313 100644
--- a/lib/riemann/dash/views/css.scss
+++ b/lib/riemann/dash/views/css.scss
@@ -324,7 +324,7 @@ html,table {
   min-height: 400px;
 }
 #simplemodal-container a.modalCloseImg {
-  background:url(/x.png) no-repeat; /* adjust url as required */
+  background:url(x.png) no-repeat; /* adjust url as required */
   width:25px;
   height:29px;
   display:inline;