diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-collection.tmpl b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-collection.tmpl
index 96474217f1..17ce5547f1 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-collection.tmpl
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/serials/serials-collection.tmpl
@@ -245,7 +245,7 @@ $(document).ready(function() {
             </tr>
       <!-- /TMPL_LOOP -->
         </table>
-      <p><input type="submit" value="Edit serials" />&nbsp;<input type="button" value="Generate Next" onClick="javascript:generateNext(<!-- TMPL_VAR NAME="subscriptionidlist" -->)" /></p>
+      <p><input type="submit" value="Edit serials" />&nbsp;<input type="button" value="Generate Next" onclick="javascript:generateNext(<!-- TMPL_VAR NAME="subscriptionidlist" -->)" /></p>
     </div>
     <!--/TMPL_LOOP -->
   <input type="hidden" name="subscriptionid" value="<!--TMPL_VAR Name="subscriptionidlist"-->" />