diff --git a/src/Language/AST/Node.php b/src/Language/AST/Node.php
index 9bf0936..e0485af 100644
--- a/src/Language/AST/Node.php
+++ b/src/Language/AST/Node.php
@@ -60,7 +60,7 @@ abstract class Node
      * This is a reverse operation for $node->toArray(true)
      *
      * @param array $node
-     * @return EnumValueDefinitionNode
+     * @return Node
      */
     public static function fromArray(array $node)
     {
diff --git a/src/Server/StandardServer.php b/src/Server/StandardServer.php
index fa24901..f73a2a5 100644
--- a/src/Server/StandardServer.php
+++ b/src/Server/StandardServer.php
@@ -72,7 +72,7 @@ class StandardServer
      */
     public function executeRequest($parsedBody = null)
     {
-        if (null !== $parsedBody) {
+        if (null === $parsedBody) {
             $parsedBody = $this->helper->parseHttpRequest();
         }