diff --git a/src/Loader.php b/src/Loader.php
index ad18530..bd7cb14 100644
--- a/src/Loader.php
+++ b/src/Loader.php
@@ -20,6 +20,15 @@ class Loader implements LoaderInterface {
    */
   protected static $classMap;
 
+  /**
+   * Seed.
+   *
+   * This is the path of the composer.json file that triggered the bootstrap.
+   *
+   * @var
+   */
+  protected static $seed;
+
   /**
    * {@inheritdoc}
    */
@@ -32,7 +41,7 @@ public static function autoload($class) {
       $finder = $resolver->resolve();
       // Have the path finder require the file and return TRUE or FALSE if it
       // found the file or not.
-      $finder->requireFile();
+      $finder->requireFile(static::$seed);
       return TRUE;
     }
     catch (ClassLoaderException $e) {
@@ -47,4 +56,11 @@ public static function setClassMap(array $class_map) {
     static::$classMap = $class_map;
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public static function setSeed($seed) {
+    static::$seed = $seed;
+  }
+
 }
diff --git a/src/LoaderInterface.php b/src/LoaderInterface.php
index 087046e..b32e607 100644
--- a/src/LoaderInterface.php
+++ b/src/LoaderInterface.php
@@ -28,4 +28,11 @@ public static function autoload($class);
    */
   public static function setClassMap(array $class_map);
 
+  /**
+   * Sets the seed path.
+   *
+   * @param string $seed.
+   */
+  public static function setSeed($seed);
+
 }