diff --git a/ktapi/ktapi.inc.php b/ktapi/ktapi.inc.php
index 0d3560e..34360e1 100644
--- a/ktapi/ktapi.inc.php
+++ b/ktapi/ktapi.inc.php
@@ -3280,7 +3280,7 @@ class KTAPI
     	$url = $download_manager->allow_download($document);
 
     	$response['status_code'] = 0;
-		$response['results'] = $url;
+		$response['results'] = urlencode($url);
 
     	return $response;
     }