diff --git a/src/Drivers/Voku.php b/src/Drivers/Voku.php
index ea42d92..28541f2 100644
--- a/src/Drivers/Voku.php
+++ b/src/Drivers/Voku.php
@@ -25,6 +25,9 @@ public function setUrl($url)
         );
         $context = stream_context_create($opts);
         $html = @file_get_contents($url, false, $context);
+        if(is_bool($html)) {
+            return;
+        }
         $this->setHtml($html);
         return $this;
     }