diff --git a/system/HTTP/Files/UploadedFile.php b/system/HTTP/Files/UploadedFile.php
index 4c3092f953b3..e7f44f09e9d6 100644
--- a/system/HTTP/Files/UploadedFile.php
+++ b/system/HTTP/Files/UploadedFile.php
@@ -331,7 +331,7 @@ public function getTempName(): string
 	 */
 	public function getRandomName(): string
 	{
-		return time().'_'.random_bytes(10).'.'.$this->$this->getExtension();
+		return time().'_'.bin2hex(random_bytes(10)).'.'.$this->getExtension();
 	}
 
 	//--------------------------------------------------------------------