diff --git a/ox/mininova.py b/ox/mininova.py
index 948197b..908982c 100644
--- a/ox/mininova.py
+++ b/ox/mininova.py
@@ -109,9 +109,21 @@ class Mininova(Torrent):
       return
     Torrent.__init__(self)
     ratio = self.data['share ratio'].split(',')
-    self['seeder'] = int(intValue(ratio[0].replace(',','').strip()))
-    self['leecher'] = int(intValue(ratio[1].replace(',','').strip()))
-    self['downloaded'] = int(intValue(self.data['downloads'].replace(',','').strip()))
+    val = intValue(ratio[0].replace(',','').strip())
+    if val:
+      self['seeder'] = int(val)
+    else:
+      self['seeder'] = -1
+    val = intValue(ratio[1].replace(',','').strip())
+    if val:
+      self['leecher'] = int(val)
+    else:
+      self['leecher'] = -1
+    val = intValue(self.data['downloads'].replace(',','').strip())
+    if val:
+      self['downloaded'] = int(val)
+    else:
+      self['downloaded'] = -1
     published =  self.data['added on']
     published = published.split(' +')[0]
     self['published'] =  datetime.strptime(published, "%a, %d %b %Y %H:%M:%S")