Index: Doctrine/Template/Listener/Sluggable.php
===================================================================
--- Doctrine/Template/Listener/Sluggable.php	(revision 121)
+++ Doctrine/Template/Listener/Sluggable.php	(working copy)
@@ -75,21 +75,19 @@
      */
     public function preUpdate(Doctrine_Event $event)
     {
-        if (false !== $this->_options['unique']) {
-            $record = $event->getInvoker();
-            $name = $record->getTable()->getFieldName($this->_options['name']);
+        $record = $event->getInvoker();
+        $name = $record->getTable()->getFieldName($this->_options['name']);
 
-            if ( ! $record->$name || (
-                false !== $this->_options['canUpdate'] &&
-                ! array_key_exists($name, $record->getModified())
-            )) {
-                $record->$name = $this->buildSlugFromFields($record);
-            } else if ( ! empty($record->$name) &&
-                false !== $this->_options['canUpdate'] &&
-                array_key_exists($name, $record->getModified()
-            )) {
-                $record->$name = $this->buildSlugFromSlugField($record);
-            }
+        if ( ! $record->$name || (
+            false !== $this->_options['canUpdate'] &&
+            ! array_key_exists($name, $record->getModified())
+        )) {
+            $record->$name = $this->buildSlugFromFields($record);
+        } else if ( ! empty($record->$name) &&
+            false !== $this->_options['canUpdate'] &&
+            array_key_exists($name, $record->getModified()
+        )) {
+            $record->$name = $this->buildSlugFromSlugField($record);
         }
     }