ApplicationCommandTarget problem

I’ve got a class which inherits from Component, ButtonListener, and ApplicationCommandTarget. When I try to build it, the compiler complains about ambiguity in the new and delete operators. I’m guessing this is a common newbie error, but searching didn’t turn anything up, so what do I need to do to fix this? Sorry for the vagueness, I’m not at my development box right now.

you probably just need to add juce_UseDebuggingNewOperator to your class def