diff --git a/harvard-melbourne-polytechnic.csl b/harvard-melbourne-polytechnic.csl
index f188042ea5..b524717fc5 100644
--- a/harvard-melbourne-polytechnic.csl
+++ b/harvard-melbourne-polytechnic.csl
@@ -303,7 +303,7 @@
               </else>
             </choose>
             <text variable="genre" prefix=", "/>
-            <group prefix=", ">
+            <group prefix=" ">
               <text macro="day-month"/>
             </group>
             <group prefix=", ">