diff --git a/googleplay.py b/googleplay.py
index aba1e72..547b66a 100644
--- a/googleplay.py
+++ b/googleplay.py
@@ -232,9 +232,9 @@ def list(self, cat, ctr=None, nb_results=None, offset=None):
         if (ctr != None):
             path += "&ctr=%s" % requests.utils.quote(ctr)
         if (nb_results != None):
-            path += "&n=%s" % requests.utils.quote(nb_results)
+            path += "&n=%s" % int(nb_results)
         if (offset != None):
-            path += "&o=%s" % requests.utils.quote(offset)
+            path += "&o=%s" % int(offset)
         message = self.executeRequestApi2(path)
         return message.payload.listResponse