diff --git a/htdocs/download.php b/htdocs/download.php
index 25d9253..f7baade 100644
--- a/htdocs/download.php
+++ b/htdocs/download.php
@@ -14,4 +14,5 @@ if (!$miniDump || !($miniDump->getData()))
     return;    
 }
 
+header("Content-Type: application/octet-stream");
 http::sendDownload("singularity" . ((int)$_GET["report_id"]) . ".dmp", $miniDump->getData());
\ No newline at end of file