diff --git a/lib/Alchemy/Phrasea/Core/Event/CollectionLabelChanged.php b/lib/Alchemy/Phrasea/Core/Event/CollectionLabelChanged.php
new file mode 100644
index 0000000000..2045d8707e
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/CollectionLabelChanged.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace Alchemy\Phrasea\Core\Event;
+
+use Symfony\Component\EventDispatcher\Event;
+
+class CollectionLabelChanged extends CollectionRelated
+{
+    public function getLng()
+    {
+        return $this->args['lng'];
+    }
+
+    public function getLabelBefore()
+    {
+        return $this->args['label_before'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/CollectionNameChanged.php b/lib/Alchemy/Phrasea/Core/Event/CollectionNameChanged.php
new file mode 100644
index 0000000000..eaf3a33e24
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/CollectionNameChanged.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Alchemy\Phrasea\Core\Event;
+
+use Symfony\Component\EventDispatcher\Event;
+
+class CollectionNameChanged extends CollectionRelated
+{
+    public function getNameBefore()
+    {
+        return $this->args['name_before'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/PhraseaEvents.php b/lib/Alchemy/Phrasea/Core/PhraseaEvents.php
index 8e5d8692c6..c7ba05593d 100644
--- a/lib/Alchemy/Phrasea/Core/PhraseaEvents.php
+++ b/lib/Alchemy/Phrasea/Core/PhraseaEvents.php
@@ -58,4 +58,6 @@ final class PhraseaEvents
     const COLLECTION_MOUNTED = 'collection.mounted';
     const COLLECTION_UNMOUNTED = 'collection.unmounted';
     const COLLECTION_SETTING_CHANGED = 'collection.settings.changed';
+    const COLLECTION_NAME_CHANGED = 'collection.name.changed';
+    const COLLECTION_LABEL_CHANGED = 'collection.label.changed';
 }
diff --git a/lib/classes/collection.php b/lib/classes/collection.php
index a087aa5801..2de90959fd 100644
--- a/lib/classes/collection.php
+++ b/lib/classes/collection.php
@@ -15,7 +15,9 @@ use Alchemy\Phrasea\Core\Event\CollectionCreated;
 use Alchemy\Phrasea\Core\Event\CollectionDisabled;
 use Alchemy\Phrasea\Core\Event\CollectionEmptied;
 use Alchemy\Phrasea\Core\Event\CollectionEnabled;
+use Alchemy\Phrasea\Core\Event\CollectionLabelChanged;
 use Alchemy\Phrasea\Core\Event\CollectionMounted;
+use Alchemy\Phrasea\Core\Event\CollectionNameChanged;
 use Alchemy\Phrasea\Core\Event\CollectionSettingsChanged;
 use Alchemy\Phrasea\Core\Event\CollectionUnmounted;
 
@@ -271,6 +273,8 @@ class collection implements cache_cacheableInterface
 
     public function set_name($name)
     {
+        $old_name = $this->get_name();
+
         $name = trim(strip_tags($name));
 
         if ($name === '')
@@ -288,6 +292,14 @@ class collection implements cache_cacheableInterface
 
         phrasea::reset_baseDatas($this->databox->get_appbox());
 
+        $this->app['dispatcher']->dispatch(
+            PhraseaEvents::COLLECTION_NAME_CHANGED,
+            new CollectionNameChanged(
+                $this,
+                array("name_before"=>$old_name)
+            )
+        );
+
         return $this;
     }
 
@@ -297,6 +309,8 @@ class collection implements cache_cacheableInterface
             throw new InvalidArgumentException(sprintf('Code %s is not defined', $code));
         }
 
+        $old_label = $this->labels[$code];
+
         $sql = "UPDATE coll SET label_$code = :label
             WHERE coll_id = :coll_id";
         $stmt = $this->get_connection()->prepare($sql);
@@ -309,6 +323,14 @@ class collection implements cache_cacheableInterface
 
         phrasea::reset_baseDatas($this->databox->get_appbox());
 
+        $this->app['dispatcher']->dispatch(
+            PhraseaEvents::COLLECTION_LABEL_CHANGED,
+            new CollectionLabelChanged(
+                $this,
+                array("lng"=>$code, "label_before"=>$old_label)
+            )
+        );
+
         return $this;
     }