diff --git a/css/ol.css b/css/ol.css
index 051e0b86e4..435276a222 100644
--- a/css/ol.css
+++ b/css/ol.css
@@ -23,7 +23,7 @@
   display: inline;
 }
 .ol-attribution li:not(:last-child):after {
-  content: " ";
+  content: "\2003";
 }
 .ol-dragbox {
   position: absolute;