diff --git a/composer.json b/composer.json
index 0354764f7..e13d94c9b 100644
--- a/composer.json
+++ b/composer.json
@@ -57,7 +57,6 @@
     "prefer-stable": true,
     "autoload": {
         "files": [
-            "src/constants.php",
             "src/functions.php"
         ],
         "psr-4": {"Drupal\\Console\\Core\\": "src"}
diff --git a/src/Utils/DrupalFinder.php b/src/Utils/DrupalFinder.php
new file mode 100644
index 000000000..1619bf9cf
--- /dev/null
+++ b/src/Utils/DrupalFinder.php
@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * @file
+ * Contains Drupal\Console\Core\Utils\DrupalFinder.
+ */
+
+namespace Drupal\Console\Core\Utils;
+
+use DrupalFinder\DrupalFinder as DrupalFinderBase;
+
+/**
+ * Class DrupalFinder
+ *
+ * @package Drupal\Console\Core\Utils
+ */
+class DrupalFinder extends DrupalFinderBase
+{
+    public function locateRoot($start_path)
+    {
+        if (parent::locateRoot($start_path)) {
+            $composerRoot = $this->getComposerRoot();
+            $vendorDir = str_replace(
+                $composerRoot .'/', '', $this->getVendorDir()
+            );
+            if (!defined("DRUPAL_CONSOLE_CORE")) {
+                define(
+                    "DRUPAL_CONSOLE_CORE",
+                    "/{$vendorDir}/drupal/console-core/"
+                );
+            }
+            if (!defined("DRUPAL_CONSOLE")) {
+                define("DRUPAL_CONSOLE", "/{$vendorDir}/drupal/console/");
+            }
+            if (!defined("DRUPAL_CONSOLE_LANGUAGE")) {
+                define(
+                    "DRUPAL_CONSOLE_LANGUAGE",
+                    "/{$vendorDir}/drupal/console-%s/translations/"
+                );
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+}
diff --git a/src/constants.php b/src/constants.php
deleted file mode 100644
index d5317f290..000000000
--- a/src/constants.php
+++ /dev/null
@@ -1,6 +0,0 @@
-<?php
-
-define("DRUPAL_CONSOLE_CORE", "/vendor/drupal/console-core/");
-define("DRUPAL_CONSOLE_LAUNCHER", "/vendor/drupal/console-launcher/");
-define("DRUPAL_CONSOLE", "/vendor/drupal/console/");
-define("DRUPAL_CONSOLE_LANGUAGE", "/vendor/drupal/console-%s/translations/");