A Helldivers 2 player has finally found the root cause of one of the game’s most annoying bugs (apart from the Bile Titan) that has plagued fans since launch—and it’s all to do with giving yourself a health boost.

For months, players have noticed their character will often just slow or stop sprinting for no apparent reason, leading to certain death against the bot or bug horde. Despite many patches addressing issues with Helldivers 2, this glitch managed to sneak under the radar; but maybe we’re now on the way to squashing it after players uncovered it’s reason—your teammate used a stim.