X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/546cfb0dcc801c4fa6560ca0e6d18b4f1edd830f..refs/pull/5293/head:/app/Uploads/ImageRepo.php

diff --git a/app/Uploads/ImageRepo.php b/app/Uploads/ImageRepo.php
index 160a02fa1..845067fdc 100644
--- a/app/Uploads/ImageRepo.php
+++ b/app/Uploads/ImageRepo.php
@@ -2,7 +2,6 @@
 
 namespace BookStack\Uploads;
 
-use BookStack\Entities\Models\Page;
 use BookStack\Entities\Queries\PageQueries;
 use BookStack\Exceptions\ImageUploadException;
 use BookStack\Permissions\PermissionApplicator;
@@ -167,7 +166,7 @@ class ImageRepo
      */
     public function updateImageFile(Image $image, UploadedFile $file): void
     {
-        if ($file->getClientOriginalExtension() !== pathinfo($image->path, PATHINFO_EXTENSION)) {
+        if (strtolower($file->getClientOriginalExtension()) !== strtolower(pathinfo($image->path, PATHINFO_EXTENSION))) {
             throw new ImageUploadException(trans('errors.image_upload_replace_type'));
         }