2 files changed, 2 insertions, 2 deletions

diff --git a/src/Wallabag/CoreBundle/Entity/Tag.php b/src/Wallabag/CoreBundle/Entity/Tag.php
index c19023af..a6dc8c50 100644
--- a/src/Wallabag/CoreBundle/Entity/Tag.php
+++ b/src/Wallabag/CoreBundle/Entity/Tag.php
@@ -78,7 +78,7 @@ class Tag
      */
     public function setLabel($label)
     {
-        $this->label = $label;
+        $this->label = mb_convert_case($label, MB_CASE_LOWER);
 
         return $this;
     }
diff --git a/src/Wallabag/CoreBundle/Helper/TagsAssigner.php b/src/Wallabag/CoreBundle/Helper/TagsAssigner.php
index a2fb0b9a..0bfe5c57 100644
--- a/src/Wallabag/CoreBundle/Helper/TagsAssigner.php
+++ b/src/Wallabag/CoreBundle/Helper/TagsAssigner.php
@@ -45,7 +45,7 @@ class TagsAssigner
         }
 
         foreach ($tags as $label) {
-            $label = trim($label);
+            $label = trim(mb_convert_case($label, MB_CASE_LOWER));
 
             // avoid empty tag
             if (0 === strlen($label)) {