Index: tmp/eccube-2.2.1-one/data/Smarty/templates/default/detail.tpl
===================================================================
--- tmp/eccube-2.2.1-one/data/Smarty/templates/default/detail.tpl	(revision 17401)
+++ tmp/eccube-2.2.1-one/data/Smarty/templates/default/detail.tpl	(revision 17432)
@@ -199,6 +199,6 @@
           </a>
         </p>
-        <!--{if function_exists(sfGMODetailDisplay)}--><!--{* GMOワンクリック *}-->
-          <!--{''|sfGMODetailDisplay}-->
+        <!--{if 'sfGMODetailDisplay'|function_exists}--><!--{* GMOワンクリック *}-->
+          <!--{'sfGMODetailDisplay'|call_user_func}-->
         <!--{/if}-->
         <!--{else}-->