diff --git a/wifi/hotspot.py b/wifi/hotspot.py
index 60c723fe..c94f275e 100755
--- a/wifi/hotspot.py
+++ b/wifi/hotspot.py
@@ -139,8 +139,8 @@ if __name__ == "__main__":
         except:
             import traceback
             from cStringIO import StringIO
-            s = StringIO()
-            sys.stderr = s
+            ss = StringIO()
+            sys.stderr = ss
             traceback.print_exc()
             sys.stderr = sys.__stderr__
             syslog(LOG_CRIT | LOG_LOCAL4, "Erreur importante :\n%s" % s.getvalue())