Dolphin, the GameCube and Wii emulator - Forums

I've been playing No More Heroes on Dolphin for a few hours tonight using the keyboard, when suddenly it prompts me that the Wii Remote's battery charge is running low, then I can't close the warning. I'm not playing with a real Wii Remote though so there's no way that could be right. Am I doing something wrong?

EDIT: It seems to happen most when I free look.