1 files changed, 2 insertions, 2 deletions
diff --git a/lib/facebook-graph-sdk/src/Facebook/HttpClients/FacebookStreamHttpClient.php b/lib/facebook-graph-sdk/src/Facebook/HttpClients/FacebookStreamHttpClient.php
index b157514..1cdfd53 100644
--- a/lib/facebook-graph-sdk/src/Facebook/HttpClients/FacebookStreamHttpClient.php
+++ b/lib/facebook-graph-sdk/src/Facebook/HttpClients/FacebookStreamHttpClient.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright 2014 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
  *
  * You are hereby granted a non-exclusive, worldwide, royalty-free license to
  * use, copy, modify, and distribute this software in source code or binary
@@ -66,7 +66,7 @@ class FacebookStreamHttpClient implements FacebookHttpClientInterface
         $rawBody = $this->facebookStream->fileGetContents($url);
         $rawHeaders = $this->facebookStream->getResponseHeaders();
 
-        if ($rawBody === false || !$rawHeaders) {
+        if ($rawBody === false || empty($rawHeaders)) {
             throw new FacebookSDKException('Stream returned an empty response', 660);
         }