diff --git a/src/CrawlerDetect.php b/src/CrawlerDetect.php
index f4984f3..43257c3 100644
--- a/src/CrawlerDetect.php
+++ b/src/CrawlerDetect.php
@@ -80,7 +80,7 @@ public function __construct(array $headers = null, $userAgent = null)
     public function setHttpHeaders($httpHeaders = null)
     {
         // use global _SERVER if $httpHeaders aren't defined
-        if (!is_array($httpHeaders) || !count($httpHeaders)) {
+        if (! is_array($httpHeaders) || ! count($httpHeaders)) {
             $httpHeaders = $_SERVER;
         }
         // clear existing headers
@@ -121,7 +121,7 @@ public function setUserAgent($userAgent = null)
                 }
             }
 
-            return $this->userAgent = (!empty($this->userAgent) ? trim($this->userAgent) : null);
+            return $this->userAgent = (! empty($this->userAgent) ? trim($this->userAgent) : null);
         }
     }
 
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index babed5b..27dcc71 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -11,7 +11,7 @@
 
 $dot = dirname(__FILE__);
 
-if (!file_exists($composer = dirname($dot).'/vendor/autoload.php')) {
+if (! file_exists($composer = dirname($dot).'/vendor/autoload.php')) {
     throw new RuntimeException("Please run 'composer install' first to set up autoloading. $composer");
 }
 /** @var \Composer\Autoload\ClassLoader $autoloader */