diff --git a/csl/acm-sigchi-proceedings.csl b/csl/acm-sigchi-proceedings.csl
index 5cb64a440..5f9020b79 100644
--- a/csl/acm-sigchi-proceedings.csl
+++ b/csl/acm-sigchi-proceedings.csl
@@ -145,8 +145,8 @@
         <group suffix="." delimiter=", ">
           <text macro="year"/>
           <text variable="page"/>
-          <text variable="URL"/>
         </group>
+        <text variable="URL" prefix=" "/>
       </else>
       </choose>
     </layout>