diff --git a/src/Roots/Acorn/Bootstrap/LoadConfiguration.php b/src/Roots/Acorn/Bootstrap/LoadConfiguration.php
index 90b8f84..dc82060 100644
--- a/src/Roots/Acorn/Bootstrap/LoadConfiguration.php
+++ b/src/Roots/Acorn/Bootstrap/LoadConfiguration.php
@@ -22,7 +22,7 @@ public function bootstrap(Application $app)
         // First we will see if we have a cache configuration file. If we do, we'll load
         // the configuration items from that file so that it is very quick. Otherwise
         // we will need to spin through every configuration file and load them all.
-        if (is_file($cached = $app->getCachedConfigPath())) {
+        if (file_exists($cached = $app->getCachedConfigPath())) {
             $items = require $cached;
 
             $loadedFromCache = true;