diff --git a/deluge/ui/web/js/Deluge.Torrents.js b/deluge/ui/web/js/Deluge.Torrents.js
index a61dcc258..a434cd3a0 100644
--- a/deluge/ui/web/js/Deluge.Torrents.js
+++ b/deluge/ui/web/js/Deluge.Torrents.js
@@ -66,7 +66,7 @@ Copyright:
         }
     }
     function availRenderer(value, p, r)	{
-        return new Number(value).toFixed(3);
+        return (value < 0) ? '∞' : new Number(value).toFixed(3);
     }
     function trackerRenderer(value, p, r) {
         return String.format('<div style="background: url(/tracker/{0}) no-repeat; padding-left: 20px;">{0}</div>', value);