diff --git a/app/Uploads/ImageRepo.php b/app/Uploads/ImageRepo.php
index c4205e35740..e76a0a97d83 100644
--- a/app/Uploads/ImageRepo.php
+++ b/app/Uploads/ImageRepo.php
@@ -38,7 +38,7 @@ public function __construct(
      */
     public function imageExtensionSupported(string $extension): bool
     {
-        return in_array(trim($extension, '. \t\n\r\0\x0B'), static::$supportedExtensions);
+        return in_array(trim($extension, ". \t\n\r\0\x0B"), static::$supportedExtensions);
     }
 
     /**