diff --git a/src/OAuth2/AuthServer.php b/src/OAuth2/AuthServer.php
index 483d137c..54fb7811 100644
--- a/src/OAuth2/AuthServer.php
+++ b/src/OAuth2/AuthServer.php
@@ -446,13 +446,15 @@ class AuthServer
     public function getParam($param = '', $method = 'get', $inputParams = array(), $default = null)
     {
         if (is_string($param)) {
-            if(isset($inputParams[$param])) {
+            if (isset($inputParams[$param])) {
                 return $inputParams[$param];
-            } elseif($param == 'client_id' && !is_null($client_id = $this->getRequest()->server('PHP_AUTH_USER'))) {
+            } elseif ($param === 'client_id' && ! is_null($client_id = $this->getRequest()->server('PHP_AUTH_USER'))) {
                 return $client_id;
-            } elseif($param == 'client_secret' && !is_null($client_secret = $this->getRequest()->server('PHP_AUTH_PW'))) {
+            } elseif ($param === 'client_secret' && ! is_null($client_secret = $this->getRequest()->server('PHP_AUTH_PW'))) {
                 return $client_secret;
-            } else return $this->getRequest()->{$method}($param, $default);
+            } else {
+                return $this->getRequest()->{$method}($param, $default);
+            }
         } else {
             $response = array();
             foreach ($param as $p) {