diff --git a/src/Repo.php b/src/Repo.php
index 530c869..362b2a9 100644
--- a/src/Repo.php
+++ b/src/Repo.php
@@ -33,7 +33,7 @@ class Repo{
   }
 
   public function getLabelByName($name){
-    if(!$this->cache['lables']){
+    if(!isset($this->cache['lables'])){
       $url="repos/{$this->user}/{$this->repo}/labels";
       $this->cache['lables']=$this->client->request($url);
     }