diff --git a/classes/Tag.php b/classes/Tag.php
index cbb123983..2df72a4bf 100644
--- a/classes/Tag.php
+++ b/classes/Tag.php
@@ -98,7 +98,7 @@ class TagCore extends ObjectModel
 			return false;
 
 		if (!is_array($tag_list))
-	 		$tag_list = array_unique(array_map('trim', preg_split('#\\'.$separator.'#', $tag_list, null, PREG_SPLIT_NO_EMPTY)));
+	 		$tag_list = array_filter(array_unique(array_map('trim', preg_split('#\\'.$separator.'#', $tag_list, null, PREG_SPLIT_NO_EMPTY))));
 
 	 	$list = array();
 		foreach ($tag_list as $tag)