--- /usr/share/wicd/wicd/wnettools.old.py	2009-09-28 00:49:25.070105643 +0200
+++ /usr/share/wicd/wicd/wnettools.py	2009-09-28 00:43:29.218088711 +0200
@@ -989,7 +989,7 @@
         mode = _sanitize_string_strict(mode)
         if mode.lower() == 'master':
             mode = 'managed'
-        cmd = 'iwconfig %s mode %s' % (self.iface, mode)
+        cmd = 'iwconfig %s mode %s key off' % (self.iface, mode)
         if self.verbose: print cmd
         misc.Run(cmd)