diff --git a/apps/models/form/TorrentUploadForm.php b/apps/models/form/TorrentUploadForm.php
index d97fb26..38c23e2 100644
--- a/apps/models/form/TorrentUploadForm.php
+++ b/apps/models/form/TorrentUploadForm.php
@@ -293,7 +293,7 @@ private function checkTorrentDict($dict, $key, $type = null)
         if (!is_array($dict)) throw new ParseErrorException("std_not_a_dictionary");
 
         $value = $dict[$key];
-        if (!$value) throw new ParseErrorException("std_dictionary_is_missing_key");
+        if (!isset($value)) throw new ParseErrorException("std_dictionary_is_missing_key");
 
         if (!is_null($type)) {
             $isFunction = 'is_' . $type;