2.0beta4 The Resolve peer host names option crashes the Gui

Enabling and disabling the Resolve peer host names option crashes the Gui.

Deleting async host name resolver...
Configuring session
Setting a global download rate limit at -1
set upload_limit to 9.000000kb/s
Loading country resolution settings
Set session settings
Set DHT Port to 6881
Applying encryption settings
Disabling IPFilter
Disabling P2P proxy
Set Proxy settings
Setting trackers proxy
Setting peers proxy
Setting web seeds proxy
Setting DHT proxy, 0
Disabling search proxy
Session configured
GUI settings loaded
Deleting host name resolver...
Host name resolver was deleted
Unrecognized country code: EE
Unrecognized country code: BS
Unrecognized country code: CY
Unrecognized country code: SA
Unrecognized country code: SA
Unrecognized country code: EE
Unrecognized country code: VE
Unrecognized country code: PY
Unrecognized country code: A2
Unrecognized country code: EE
Configuring session
Setting a global download rate limit at -1
set upload_limit to 9.000000kb/s
Loading country resolution settings
Set session settings
Set DHT Port to 6881
Applying encryption settings
Disabling IPFilter
Disabling P2P proxy
Set Proxy settings
Setting trackers proxy
Setting peers proxy
Setting web seeds proxy
Setting DHT proxy, 0
Disabling search proxy
Session configured
GUI settings loaded
terminate called after throwing an instance of 'boost::system::system_error'
  what(): Host not found (non-authoritative), try again later

*************************************************************
Catching SIGABRT, please report a bug at http://bug.qbittorrent.org
and provide the following backtrace:
stack trace:
  /lib64/libc.so.6() [0x306da32730]
  /lib64/libc.so.6 : gsignal()+0x35 [0x306da326b5]
  /lib64/libc.so.6 : abort()+0x175 [0x306da33e95]
  /usr/lib64/libstdc++.so.6 : __gnu_cxx::__verbose_terminate_handler()+0x115 [0x307b6c57b5]
  /usr/lib64/libstdc++.so.6() [0x307b6c3886]
  /usr/lib64/libstdc++.so.6() [0x307b6c38b3]
  /usr/lib64/libstdc++.so.6() [0x307b6c39ae]
  qbittorrent : void boost::throw_exception<boost::system::system_error>(boost::system::system_error const&)+0x4a [0x4c011a]
  qbittorrent : boost::asio::detail::throw_error(boost::system::error_code const&)+0x49 [0x51f06e]
  qbittorrent : boost::asio::ip::basic_resolver<boost::asio::ip::tcp, boost::asio::ip::resolver_service<boost::asio::ip::tcp> >::resolve(boost::asio::ip::basic_endpoint<boost::asio::ip::tcp> const&)+0x5b [0x5e4dd5]
  qbittorrent : ReverseResolutionST::run()+0x40 [0x5e42ae]
  /usr/lib64/libQtCore.so.4() [0x3a54a59d25]
  /lib64/libpthread.so.0() [0x306e206a3a]
  /lib64/libc.so.6 : clone()+0x6d [0x306daddf3d]