panic on empty cookies

[kmeaw]

goroutine 1 [running]:
SaaS/board.(*Board).getCFCookie(0xc42009c960, 0xc4200901e0, 0x11, 0x0, 0x0)
        /home/kmeaw/src/go/src/SaaS/board/board.go:134 +0x28e
SaaS/board.NewBoard(0xc4200901c0, 0x1b, 0xc4200901e0, 0x11, 0xc42010c000, 0x90, 0x0, 0x0, 0xc42004de30, 0x4c83b8, ...)
        /home/kmeaw/src/go/src/SaaS/board/board.go:97 +0x218
SaaS/HTTPPlayer.NewHTTPPlayer(0xc42008e530, 0x4, 0x0, 0x0, 0xc42010c000, 0x90, 0xc42008e510, 0xf, 0xc4200901e0, 0x11, ...)
        /home/kmeaw/src/go/src/SaaS/HTTPPlayer/HTTPPlayer.go:81 +0x268
main.main()
        /home/kmeaw/src/go/src/SaaS/SaaS.go:49 +0x1c5

I don't have cookies in my session (and everything actually works without them or when cookies are filled with dummy value "1").