c++ - linking problem: fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'

Im trying to run sample app from wxFreeChart library. After compilation on linking there is an error:

wxcode_msw28d_freechart.lib(wxfreechart_lib_xydataset.obj) : fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'

I tried to switch linker option\advanced\target machine to MachineX64 but it doesnt work.

Im using visual studio 2008, any suggestion ?

thanks for help