diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f9bc7af..73316692 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 
 1. [](#bugfix)
     * Regression: Media settings have bad layout [#1529](https://github.com/getgrav/grav-plugin-admin/issues/1529)
+    * Fixed Direct Install Uploader, failing to validate the uploaded files
 
 # v1.9.0-beta.3
 ## 10/15/2018
diff --git a/classes/admincontroller.php b/classes/admincontroller.php
index 522dd167..3c905901 100644
--- a/classes/admincontroller.php
+++ b/classes/admincontroller.php
@@ -2335,10 +2335,11 @@ class AdminController extends AdminBaseController
                     return false;
             }
 
+            $file_name = $_FILES['uploaded_file']['name'];
             $file_path = $_FILES['uploaded_file']['tmp_name'];
 
             // Handle bad filenames.
-            if (!Utils::checkFilename($file_path)) {
+            if (!Utils::checkFilename($file_name)) {
                 $this->admin->json_response = [
                     'status'  => 'error',
                     'message' => $this->admin->translate('PLUGIN_ADMIN.UNKNOWN_ERRORS')