--- a/iro/offer/smstrade.py	Sun Mar 25 20:17:23 2012 +0200
+++ b/iro/offer/smstrade.py	Sun Mar 25 20:19:09 2012 +0200
@@ -80,7 +80,7 @@
 
     The smstrade API supports a debug mode, that can be set  with :attr:`~iro.offer.provider.Provider.testmode`.
     """
-    params= {"debug":("boolean",False),
+    _params= {"debug":("boolean",False),
             "concat_sms":('boolean',False),
             "message_id":('boolean',False),
             "count":('boolean',False),
@@ -156,9 +156,9 @@
 
         ps={}
         for p in parameters:
-            if p in self.params.keys():
-                if self.params[p][0] == "boolean":
-                    if parameters[p] != self.params[p][1]:
+            if p in self._params.keys():
+                if self._params[p][0] == "boolean":
+                    if parameters[p] != self._params[p][1]:
                         ps[p]=int(bool(parameters[p]))
             else:
                 ps[p] = parameters[p]