Use upper-case "Host" header

Closes #614
elastic · Aug 10, 2017 · 045aac4 · 045aac4
1 parent 51f189e
commit 045aac4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Elasticsearch/Connections/Connection.php b/src/Elasticsearch/Connections/Connection.php
@@ -156,7 +156,7 @@ public function performRequest($method, $uri, $params = null, $body = null, $opt
             'uri'         => $this->getURI($uri, $params),
             'body'        => $body,
             'headers'     => array_merge([
-                'host'  => [$this->host]
+                'Host'  => [$this->host]
             ], $this->headers)
         ];