build error

[ 31%] Building CXX object src/shogun/CMakeFiles/libshogun.dir/io/SerializableAsciiReader00.cpp.o
/home/f0z/shogun/shogun/src/shogun/io/SerializableAsciiReader00.cpp: In member function ‘virtual bool shogun::SerializableAsciiReader00::read_scalar_wrapped(const shogun::TSGDataType*, void*)’:
/home/f0z/shogun/shogun/src/shogun/io/SerializableAsciiReader00.cpp:96:34: error: lvalue required as left operand of assignment
   ((complex128_t*) param)->real()=c_real;
                                  ^
/home/f0z/shogun/shogun/src/shogun/io/SerializableAsciiReader00.cpp:97:34: error: lvalue required as left operand of assignment
   ((complex128_t*) param)->imag()=c_imag;
                                  ^
make[2]: *** [src/shogun/CMakeFiles/libshogun.dir/io/SerializableAsciiReader00.cpp.o] Error 1
make[1]: *** [src/shogun/CMakeFiles/libshogun.dir/all] Error 2
make: *** [all] Error 2