diff --git a/CHANGES.md b/CHANGES.md
index 66923c95..d0b5bea3 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -38,6 +38,7 @@
 * Change to ensure uTorrent API parameters are ordered for uT 2.2.1 compatibility
 
 [develop changelog]
+* Change uT params from unicode to str.format as magnet URLs worked but sending files in POST bodies failed
 
 
 ### 0.6.4 (2015-02-10 20:20:00 UTC)
diff --git a/sickbeard/clients/utorrent.py b/sickbeard/clients/utorrent.py
index 41739cec..010087c7 100644
--- a/sickbeard/clients/utorrent.py
+++ b/sickbeard/clients/utorrent.py
@@ -35,7 +35,8 @@ class uTorrentAPI(GenericClient):
 
         return super(uTorrentAPI, self)._request(
             method=method,
-            params='token=%s&%s' % (self.auth, '&'.join([u'%s' % urllib.urlencode(dict([[key, str(value)]])) for key, value in params.iteritems()])) if any(params) else params,
+            params='token={0:s}&{1:s}'.format(self.auth, '&'.join(
+                ['%s' % urllib.urlencode(dict([[key, str(value)]])) for key, value in params.iteritems()])) if any(params) else params,
             files=files)
 
     def _get_auth(self):