diff --git a/src/InstagramServiceProvider.php b/src/InstagramServiceProvider.php
index 006bf32..a5cbe59 100644
--- a/src/InstagramServiceProvider.php
+++ b/src/InstagramServiceProvider.php
@@ -12,7 +12,9 @@
 namespace Vinkla\Instagram;
 
 use Illuminate\Contracts\Foundation\Application;
+use Illuminate\Foundation\Application as LaravelApplication;
 use Illuminate\Support\ServiceProvider;
+use Laravel\Lumen\Application as LumenApplication;
 use MetzWeb\Instagram\Instagram;
 
 /**
@@ -43,9 +45,9 @@ protected function setupConfig(Application $app)
     {
         $source = realpath(__DIR__.'/../config/instagram.php');
 
-        if (class_exists('Illuminate\Foundation\Application', false) && $app->runningInConsole()) {
+        if ($app instanceof LaravelApplication && $app->runningInConsole()) {
             $this->publishes([$source => config_path('instagram.php')]);
-        } elseif (class_exists('Laravel\Lumen\Application', false)) {
+        } elseif ($app instanceof LumenApplication) {
             $app->configure('instagram');
         }