From b06a82aa03e31def988c6b0f4d58cb6d0c4936d4 Mon Sep 17 00:00:00 2001
From: Jochem Klaver <j.klaver@youwe.nl>
Date: Tue, 13 Jun 2017 14:49:10 +0200
Subject: [PATCH] Do not prefix with dot if there already is a dot

---
 .../community/Flagbit/FilterUrls/Helper/Data.php  | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/app/code/community/Flagbit/FilterUrls/Helper/Data.php b/src/app/code/community/Flagbit/FilterUrls/Helper/Data.php
index 6fcf449..9be0690 100644
--- a/src/app/code/community/Flagbit/FilterUrls/Helper/Data.php
+++ b/src/app/code/community/Flagbit/FilterUrls/Helper/Data.php
@@ -68,15 +68,20 @@ public function normalize($string)
         return $string;
     }
 
+    /**
+     * Get the configured URL suffix
+     *
+     * @return string
+     */
     public function getUrlSuffix()
     {
-        $suffix = '';
-        if(Mage::helper('core')->isModuleEnabled('Enterprise_Catalog'))
-        {
-            $suffix .= '.';
+        $suffix = Mage::getStoreConfig('catalog/seo/category_url_suffix');
+        if (Mage::helper('core')->isModuleEnabled('Enterprise_Catalog')
+            && substr($suffix, 0, 1) !== '.') {
+            $suffix = '.' . $suffix;
         }
-        $suffix .= Mage::getStoreConfig('catalog/seo/category_url_suffix');
 
         return $suffix;
     }
+
 }