diff --git a/src/Composer/Repository/ComposerRepository.php b/src/Composer/Repository/ComposerRepository.php
index d57201f9f..be1fd469b 100644
--- a/src/Composer/Repository/ComposerRepository.php
+++ b/src/Composer/Repository/ComposerRepository.php
@@ -27,7 +27,7 @@ class ComposerRepository extends ArrayRepository
     public function __construct(array $config)
     {
         if (!preg_match('{^\w+://}', $config['url'])) {
-                  // assume http as the default protocol
+            // assume http as the default protocol
             $config['url'] = 'http://'.$config['url'];
         }
         $config['url'] = rtrim($config['url'], '/');
diff --git a/src/Composer/Repository/Vcs/HgDriver.php b/src/Composer/Repository/Vcs/HgDriver.php
index ffd2d3100..23a4ebebc 100644
--- a/src/Composer/Repository/Vcs/HgDriver.php
+++ b/src/Composer/Repository/Vcs/HgDriver.php
@@ -175,12 +175,12 @@ class HgDriver implements VcsDriverInterface
         if (preg_match('#(^(?:https?|ssh)://(?:[^@]@)?bitbucket.org|https://(?:.*?)\.kilnhg.com)#i', $url)) {
             return true;
         }
-        
+
         if (!$deep) {
             return false;
         }
 
         exec(sprintf('hg identify %s', escapeshellarg($url)), $ignored, $exit);
-        return $exit == 0;
+        return $exit === 0;
     }
 }
diff --git a/src/Composer/Repository/Vcs/SvnDriver.php b/src/Composer/Repository/Vcs/SvnDriver.php
index 9d8d555ad..c968dfab7 100644
--- a/src/Composer/Repository/Vcs/SvnDriver.php
+++ b/src/Composer/Repository/Vcs/SvnDriver.php
@@ -177,8 +177,8 @@ class SvnDriver implements VcsDriverInterface
         if (!$deep) {
             return false;
         }
-        
+
         exec(sprintf('svn info --non-interactive %s 2>/dev/null', escapeshellarg($url)), $ignored, $exit);
-        return $exit == 0;
+        return $exit === 0;
     }
 }