wireless bug

in the interface file i can see the correct key but when i do iwconfig the key is a mismatch. i always have to apply correct key from command line with iwconfig key blablabla is this a bug ? BOOTPROTO='dhcp' MTU='' REMOTE_IPADDR='' STARTMODE='auto' UNIQUE='y9as.NNm_C6+3ZFE' USERCONTROL='no' WIRELESS_AP='' WIRELESS_AUTH_MODE='open' WIRELESS_BITRATE='auto' WIRELESS_CHANNEL='' WIRELESS_DEFAULT_KEY='0' WIRELESS_ESSID='NYBKLNY' WIRELESS_FREQUENCY='' WIRELESS_KEY='' WIRELESS_KEY_0='h:312F85A069B325A4E7DF38C039' WIRELESS_KEY_1='' WIRELESS_KEY_2='' WIRELESS_KEY_3=''