Methods and compositions for the use of treatment fluids comprising metalate-based additives to treat subterranean formations are provided. In one embodiment, the methods comprise providing a treatment fluid comprising a non-aqueous base fluid and at least one metalate-based additive comprising: an anion selected from the group consisting of: a tungstate, a molybdate, a vanadate, a manganate, and any combination thereof, and an organic cation; and introducing the treatment fluid into a wellbore penetrating at least a portion of a subterranean formation.