diff --git a/journal-of-urban-technology.csl b/journal-of-urban-technology.csl
index 33d92881d98..a882088ce50 100644
--- a/journal-of-urban-technology.csl
+++ b/journal-of-urban-technology.csl
@@ -254,7 +254,7 @@
         </if>
         <else>
           <group delimiter=": ">
-            <group delimiter=" ">
+            <group delimiter=", ">
               <text macro="author-short"/>
               <text macro="issued-year"/>
             </group>