diff --git a/code/extensions/BlogMemberExtension.php b/code/extensions/BlogMemberExtension.php
index 6381598..5c8d23e 100644
--- a/code/extensions/BlogMemberExtension.php
+++ b/code/extensions/BlogMemberExtension.php
@@ -57,6 +57,8 @@ class BlogMemberExtension extends DataExtension
     public function generateURLSegment()
     {
         $filter = URLSegmentFilter::create();
+        $filter->setAllowMultibyte(true);
+	    
         $name = $this->owner->FirstName . ' ' . $this->owner->Surname;
         $urlSegment = $filter->filter($name);
 
diff --git a/code/model/Blog.php b/code/model/Blog.php
index 9248ce3..035199d 100644
--- a/code/model/Blog.php
+++ b/code/model/Blog.php
@@ -864,6 +864,7 @@ class Blog_Controller extends Page_Controller
         $tag = $this->request->param('Tag');
         if ($tag) {
             $filter = URLSegmentFilter::create();
+            $filter->setAllowMultibyte(true);
 
             return $dataRecord->Tags()
                 ->filter('URLSegment', array($tag, $filter->filter($tag)))
@@ -910,6 +911,7 @@ class Blog_Controller extends Page_Controller
         $category = $this->request->param('Category');
         if ($category) {
             $filter = URLSegmentFilter::create();
+            $filter->setAllowMultibyte(true);
 
             return $dataRecord->Categories()
                 ->filter('URLSegment', array($category, $filter->filter($category)))