diff --git a/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php b/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php
index 02201ef86f60..1d26b960d220 100644
--- a/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php
+++ b/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php
@@ -139,6 +139,10 @@ protected function getConfigurationFiles(Application $app)
 
         $configPath = realpath($app->configPath());
 
+        if (! $configPath) {
+            return [];
+        }
+
         foreach (Finder::create()->files()->name('*.php')->in($configPath) as $file) {
             $directory = $this->getNestedDirectory($file, $configPath);